Webster's Dictionary, 1913

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Log-chip noun (Nautical) A thin, flat piece of board in the form of a quadrant of a circle attached to the log line; -- called also log-ship . See 2d Log , noun , 2.

Log-ship noun (Nautical) A part of the log. See Log-chip , and 2d Log , noun , 2.

Logarithmetic, Logarithmetical adjective See Logarithmic .

Logarithmetically adverb Logarithmically.

Logarithmic, Logarithmical adjective [ Confer French logarithmique .] Of or pertaining to logarithms; consisting of logarithms.

Logarithmic curve (Math.) , a curve which, referred to a system of rectangular coördinate axes, is such that the ordinate of any point will be the logarithm of its abscissa. -- Logarithmic spiral , a spiral curve such that radii drawn from its pole or eye at equal angles with each other are in continual proportion. See Spiral .

Logarithmically adverb By the use of logarithms.

Logcock noun The pileated woodpecker.

Loge noun [ French See Lodge .] A lodge; a habitation. [ Obsolete] Chaucer.

Loggan noun See Logan .

Loggat noun [ Also written logget .]
1. A small log or piece of wood. [ Obsolete] B. Jonson.

2. plural An old game in England, played by throwing pieces of wood at a stake set in the ground. [ Obsolete] Shak.

Logge noun & v. See Lodge . [ Obsolete] Chaucer.

Logged adjective Made slow and heavy in movement; water-logged. Beaconsfield.

Logger noun One engaged in logging. See Log , intransitive verb [ U.S.] Lowell.

Loggerhead noun [ Log + head .]
1. A blockhead; a dunce; a numskull. Shak. Milton.

2. A spherical mass of iron, with a long handle, used to heat tar.

3. (Nautical) An upright piece of round timber, in a whaleboat, over which a turn of the line is taken when it is running out too fast. Ham. Nav. Encyc.

4. (Zoology) A very large marine turtle ( Thalassochelys caretta, or caouana ), common in the warmer parts of the Atlantic Ocean, from Brazil to Cape Cod; -- called also logger-headed turtle .

5. (Zoology) An American shrike ( Lanius Ludovicianus ), similar to the butcher bird, but smaller. See Shrike .

To be at loggerheads , To fall to loggerheads , or To go to loggerheads , to quarrel; to be at strife. L' Estrange.

Loggerheaded adjective Dull; stupid. Shak.

A rabble of loggerheaded physicians.
Urquhart.

Loggerheads noun (Botany) The knapweed.

Loggia noun [ Italian See Lodge .] (Architecture) A roofed open gallery. It differs from a veranda in being more architectural, and in forming more decidedly a part of the main edifice to which it is attached; from a porch , in being intended not for entrance but for an out-of-door sitting-room.

Logging noun The business of felling trees, cutting them into logs, and transporting the logs to sawmills or to market.

Logic noun [ Middle English logike , French logique , Latin logica , logice , Greek logikh` (sc. te`chnh ), from logiko`s belonging to speaking or reason, from lo`gos speech, reason, le`gein to say, speak. See Legend .]
1. The science or art of exact reasoning, or of pure and formal thought, or of the laws according to which the processes of pure thinking should be conducted; the science of the formation and application of general notions; the science of generalization, judgment, classification, reasoning, and systematic arrangement; correct reasoning.

Logic is the science of the laws of thought, as thought; that is, of the necessary conditions to which thought, considered in itself, is subject.
Sir W. Hamilton.

» Logic is distinguished as pure and applied . " Pure logic is a science of the form, or of the formal laws, of thinking, and not of the matter. Applied logic teaches the application of the forms of thinking to those objects about which men do think." Abp. Thomson.

2. A treatise on logic; as, Mill's Logic .

Logical (lŏj"ĭ*k a l) adjective [ Confer French logique , Latin logicus , Greek logiko`s .]
1. Of or pertaining to logic; used in logic; as, logical subtilties. Bacon.

2. According to the rules of logic; as, a logical argument or inference; the reasoning is logical . Prior.

3. Skilled in logic; versed in the art of thinking and reasoning; as, he is a logical thinker. Addison.

Logicality noun Logicalness.

Logically adverb In a logical manner; as, to argue logically .

Logicalness noun The quality of being logical.

Logician noun [ Confer French logicien .] A person skilled in logic. Bacon.

Each fierce logician still expelling Locke.
Pope.

Logics noun See Logic .

Logistic, Logistical adjective [ Greek ... skilled in calculating, ... to calculate, from lo`gos word, number, reckoning: confer French logistique .]
1. Logical. [ Obsolete] Berkeley.

2. (Math.) Sexagesimal, or made on the scale of 60; as, logistic , or sexagesimal , arithmetic.

Logistic , or Proportional , logarithms , certain logarithmic numbers used to shorten the calculation of the fourth term of a proportion of which one of the terms is a given constant quantity, commonly one hour, while the other terms are expressed in minutes and seconds; -- not now used.

Logistics noun
1. (Mil.) That branch of the military art which embraces the details of moving and supplying armies. The meaning of the word is by some writers extended to include strategy . H. Latin Scott.

2. (Math.) A system of arithmetic, in which numbers are expressed in a scale of 60; logistic arithmetic.

Logman noun ; plural Logmen A man who carries logs. Shak.

Logodædaly noun [ Greek .... See Logos , and Dædal .] Verbal legerdemain; a playing with words. [ R.] Coleridge.

Logogram noun [ Greek lo`gos word + -gram .] A word letter; a phonogram, that, for the sake of brevity, represents a word; as,
Logographer noun
1. A chronicler; one who writes history in a condensed manner with short simple sentences.

2. One skilled in logography.

Logographic, Logographical adjective [ Greek ... of writing speeches: confer French logographique .] Of or pertaining to logography.

Logography noun [ Greek ... a writing of speeches; lo`gos word, speech + ... to write: confer French logographie .]
1. A method of printing in which whole words or syllables, cast as single types, are used.

2. A mode of reporting speeches without using shorthand, -- a number of reporters, each in succession, taking down three or four words. Brande & C.

Logogriph noun [ Greek lo`gos word + gri^fos a fishing net, a dark saying, a riddle: French logogriphe .] A sort of riddle in which it is required to discover a chosen word from various combinations of its letters, or of some of its letters, which form other words; -- thus, to discover the chosen word chatter form cat , hat , rat , hate , rate , etc. B. Jonson.

Logomachist noun [ See Logomachy .] One who contends about words.

Logomachy noun [ Greek ...; lo`gos word + ... fight, battle, contest: confer French logomachie .]
1. Contention in words merely, or a contention about words; a war of words.

The discussion concerning the meaning of the word " justification" . . . has largely been a mere logomachy .
Latin Abbott.

2. A game of word making.

Logometric adjective [ Greek lo`gos word, ratio + ... measure.] (Chemistry) Serving to measure or ascertain chemical equivalents; stoichiometric. [ R.]

Logos noun [ New Latin , from Greek ... the word or form which expresses a thought, also, the thought, from ... to speak.]
1. A word; reason; speech. H. Bushell.

2. The divine Word; Christ.

Logothete [ Late Latin logotheta , from Greek ...; lo`gos word, account + ... to put.] An accountant; under Constantine, an officer of the empire; a receiver of revenue; an administrator of a department.

Logotype noun [ Greek lo`gos word + -type .] (Print.) A single type, containing two or more letters; as, æ , Æ , , , , etc.; -- called also ligature .

Logroll intransitive verb & t. To engage in logrolling; to accomplish by logrolling. [ Political cant, U. S.]

Logroller noun One who engages in logrolling. [ Political cant, U. S.]

The jobbers and logrollers will all be against it.
The. Nation.

Logrolling noun
1. (Logging) The act or process of rolling logs from the place where they were felled to the stream which floats them to the sawmill or to market. In this labor neighboring camps of loggers combine to assist each other in turn. Longfellow. [ U.S.]

2. Hence: A combining to assist another in consideration of receiving assistance in return; -- sometimes used of a disreputable mode of accomplishing political schemes or ends. [ Cant, U.S.]

Logwood noun [ So called from being imported in logs .] The heartwood of a tree ( Hæmatoxylon Campechianum ), a native of South America, It is a red, heavy wood, containing a crystalline substance called hæmatoxylin , and is used largely in dyeing. An extract from this wood is used in medicine as an astringent. Also called Campeachy wood , and bloodwood .

Logy adjective [ From Dutch log .] Heavy or dull in respect to motion or thought; as, a logy horse. [ U.S.]

Porcupines are . . . logy , sluggish creatures.
C. H. Merriam.

Lohock noun (Medicine) See Loch , a medicine.

Loimic adjective [ Greek ..., from ... plague.] Of or pertaining to the plague or contagious disorders.

Loin noun [ Middle English loine , Old French logne , French longe , from (assumed) Late Latin lumbea , Latin lumbus join. Confer Lends , Lumbar , Nombles .] That part of a human being or quadruped, which extends on either side of the spinal column between the hip bone and the false ribs. In human beings the loins are also called the reins. See Illust. of Beef .

Loir noun [ French, from Latin glis , gliris .] (Zoology) A large European dormouse ( Myoxus glis ).