# 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)
• A narrow continuous mark, as one made by a pencil, pen, or brush across a surface (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.

• Such a mark cut into or raised from a surface (noun)
• A thin indented mark or wrinkle (noun)
• A straight or curved continuous trace having no breadth that is produced by a moving point (noun)
• Any straight one-dimensional geometrical element whose identity is determined by two points. A line segment lies between any two points on a line (noun)
• A set of points (x, y) that satisfies the equation y = mx + c, where m is the gradient and c is the intercept with the y-axis (noun)
• A border or boundary (noun)
• A white or coloured band indicating a boundary or division on a field, track, etc (noun)
• A mark or imaginary mark at which a race begins or ends (noun)
• The players arranged in a row on either side of the line of scrimmage at the start of each play (noun)
• A specified point of change or limit (noun)
• The edge or contour of a shape, as in sculpture or architecture, or a mark on a painting, drawing, etc, defining or suggesting this (noun)
• The sum or type of such contours or marks, characteristic of a style or design (noun)
• Anything long, flexible, and thin, such as a wire or string (noun)
• A telephone connection (noun)
• A conducting wire, cable, or circuit for making connections between pieces of electrical apparatus, such as a cable for electric-power transmission, telecommunications, etc (noun)
• (as modifier) (noun)
• A system of travel or transportation, esp over agreed routes (noun)
• A company operating such a system (noun)
• A route between two points on a railway (noun)
• A railway track, including the roadbed, sleepers, etc (noun)
• One of the rails of such a track (noun)
• A roadway usually in a rural area (noun)
• A course or direction of movement or advance (noun)
• A course or method of action, behaviour, etc (noun)
• A policy or prescribed course of action or way of thinking (often in the phrases bring or come into line) (noun)
• A field of study, interest, occupation, trade, or profession (noun)
• Alignment; true (esp in the phrases in line, out of line) (noun)
• One kind of product or article (noun)
• A collection of bales of wool all of the one type (noun)
• A row of persons or things (noun)
• A chronological or ancestral series, esp of people (noun)
• A row of words printed or written across a page or column (noun)
• A unit of verse consisting of the number of feet appropriate to the metre being used and written or printed with the words in a single row (noun)
• A short letter; note (noun)
• A piece of useful information or hint about something (noun)
• One of a number of narrow horizontal bands forming a television picture (noun)
• A narrow band in an electromagnetic spectrum, resulting from a transition in an atom, ion, or molecule of a gas or plasma (noun)
• Any of the five horizontal marks that make up the stave (noun)
• The musical part or melody notated on one such set (noun)
• A discernible shape formed by sequences of notes or musical sounds (noun)
• (in polyphonic music) a set of staves that are held together with a bracket or brace (noun)
• A unit of magnetic flux equal to 1 maxwell (noun)
• A defensive or fortified position, esp one that marks the most forward position in war or a national boundary (noun)
• A formation adopted by a body or a number of military units when drawn up abreast (noun)
• The combatant forces of certain armies and navies, excluding supporting arms (noun)
• One of four divisions of the target on a fencer's body, considered as areas to which specific attacks are made (noun)
• The scent left by a fox (noun)
• The equator (esp in the phrase crossing the line) (noun)
• Any circle or arc on the terrestrial or celestial sphere (noun)
• The amount of insurance written by an underwriter for a particular risk (noun)
• A line of people, vehicles, etc, waiting for something (noun)
• A portion of a powdered drug for snorting (noun)
• Something said for effect, esp to solicit for money, sex, etc (noun)
• To mark with a line or lines (verb)
• To draw or represent with a line or lines (verb)
• To be or put as a border to (verb)
• To place in or form a row, series, or alignment (verb)

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Use "line" in a sentence
• "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."
Words like "line"