1) Bound 2) Boundary 3) Bounds 4) Outline 1) Coastline 2) Outline 3) Silhouette 4) Skyline 
In Western handwriting, the baseline, the x-height or corpus size, the height of the ascenders and the bottom line of the descenders make up four horizontal (virtual) lines which represent the lineation of handwriting. In many teaching methods of writing at primary school, these guidelines are actually present on paper to aid the child in producin...[geology] Lineations in structural geology are linear structural features within rocks. There are several types of lineations, intersection lineations, crenulation lineations, mineral lineations and stretching lineations being the most common. Lineation field measurements are recorded as map lines with a plunge angle and azimuth. ==Intersec...
• (n.) Delineation; a line or lines.
(from the article `metamorphic rock`) ...cleavage that is normally caused by the preferred orientation of mica crystals; schistosity, a term used to describe repetitive and pronounced ...
Any linear arrangement of features found in a rock.
Lin`e·a'tion (-ā'shŭn) noun [ Latin lineatio the drawing of a line, from lineare .] Delineation; a line or lines. 
Any linear arrangement of features found in a rock.
[n] - the act of marking or outlining with lines
noun the act of marking or outlining with lines
A general term applying to any linear feature in a metamorphic rock.
the act of marking or outlining with lines