Definition of "line" []

• Mathematics A geometric figure formed by a point moving along a fixed direction and the reverse direction. (noun)
• A thin continuous mark, as that made by a pen, pencil, or brush applied to a surface. (noun)
• A similar mark cut or scratched into a surface. (noun)
• A crease in the skin, especially on the face; a wrinkle. (noun)
• A real or imaginary mark positioned in relation to fixed points of reference. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The senate, under reid, has drawn so many lines in the sand, it's beginning to look like a football field --- a new line every ten yards. harry is famous for saying things like, ���This is where we draw the line��� and when someone, anyone, challenges him, he runs and draws another line in the sand."
• "You have to tow the party line to get the nomination, even though that \'party line\ 'is so far out of the mainstream.'"
• "The crossing points are called “nodal points”, the closed sections between the nodal points a “mesh” and each part of the line “mesh line”."