Tugboat

A tugboat (tug) is a boat that maneuvers vessels by pushing or towing them. Tugs move vessels that either should not move themselves, such as ships in a crowded harbor or a narrow canal, or those that cannot move by themselves, such as barges, disabled ships, log rafts, or oil platforms. Tugboats are powerful for their size and strongly built, and...
Found on http://en.wikipedia.org/wiki/Tugboat

TUGboat

TUGboat (ISSN 0896-3207) is a journal published three times per year by the TeX Users Group. It covers a wide range of topics in digital typography relevant to the TeX typesetting system. The editor is Barbara Beeton. ...
Found on http://en.wikipedia.org/wiki/TUGboat

Tugboat

• (n.) See Tug, n., 3.
Found on http://thinkexist.com/dictionary/meaning/tugboat/

tugboat

tug noun a powerful small boat designed to pull or push larger ships
Found on https://www.encyclo.co.uk/local/20974

tugboat

small, powerful watercraft designed to perform a variety of functions, especially to tow or push barges and large ships. In 1736 Jonathan Hulls of ... [2 related articles]
Found on http://www.britannica.com/eb/a-z/t/90

tugboat

Strong v-hull shaped boat used for maneuvering ships into and out of port and to carry supplies. A ship is too powerful to pull up to the wharf on its own. It cuts power and lets the tug nudge it in. Generally barges are pushed by towboats, not tugs.
Found on http://www.aapa-ports.org/Industry/content.cfm?ItemNumber=1067

tugboat

tugboat, small, strongly built vessel, used to guide large oceangoing ships into and out of port and to tow barges, dredging and salvage equipment, and disabled vessels. Tugboats range in overall length from 70 to 210 ft (21–64 m), and their engines generate from 750 to 3,000 horsepower. Steam...
Found on http://www.infoplease.com/ce6/history/A0849640.html

tugboat

[n] - a powerful small boat designed to pull or push larger ships
Found on http://www.webdictionary.co.uk/definition.php?query=tugboat
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