<p><strong>Noun</strong></p><ul><li>a mark or stroke long in proportion to its breadth, made with a pen, pencil, tool, etc., on a surface: a line down the middle of the page.</li><li>Mathematics. a continuous extent of length, straight or curved, without breadth or thickness; the trace of a moving point.</li><li>something arranged along a line, especially a straight line; a row or series: a line of trees.</li><li>a number of persons standing one behind the other and waiting their turns at or for something; queue.</li><li>something resembling a traced line, as a band of color, a seam, or a furrow: lines of stratification in rock.</li><li>a furrow or wrinkle on the face, neck, etc.: lines around the eyes.</li><li>an indication of demarcation; boundary; limit: the county line; a fine line between right and wrong.</li><li>a row of written or printed letters, words, etc.: a page of 30 lines.</li><li>a verse of poetry: A line in iambic pentameter contains five feet.</li><li>Usually lines. the words of an actor's part in a drama, musical comedy, etc.: to rehearse one's lines.</li><li>a short written message: Drop me a line when you're on vacation.</li><li>a system of public conveyances, as buses or trains, plying regularly over a fixed route: the northbound line at State Street.</li><li>a transportation or conveyance company: a steamship line.</li><li>a course of direction; route: the line of march down Main Street.</li><li>a course of action, procedure, thought, policy, etc.: That newspaper follows the communist line.</li><li>a piece of pertinent or useful information (usually followed by on): I've got a line on a good used car.</li><li>a series of generations of persons, animals, or plants descended from a common ancestor: a line of kings.</li><li>a department of activity; occupation or business: What line are you in?</li><li>Informal. a mode of conversation, especially one that is glib or exaggerated in order to impress or influence another person: He really handed her a line about his rich relatives.</li><li>a straight line drawn from an observed object to the fovea of the eye.</li><li>lines, the outer form or proportions of a ship, building, etc.: a ship of fine lines.</li><li>a general form, as of an event or something that is made, which may be the basis of comparison, imitation, etc.: two books written along the same lines.</li><li>a person's lot or portion: to endure the hard lines of poverty.</li><li>Chiefly British. a certificate of marriage.</li><li>a circle of the terrestrial or celestial sphere: the equinoctial line.</li><li>banner (def 7).</li><li>Fine Arts. a mark made by a pencil, brush, or the like, that defines the contour of a shape, forms hatching, etc., the edge of a shape.</li><li>Television. one scanning line.</li><li>Telecommunications. a telephone connection: Please hold the line.</li><li>a wire circuit connecting two or more pieces of electric apparatus, especially the wire or wires connecting points or stations in a telegraph or telephone system, or the system itself.</li><li>the line, Geography. the equator.</li><li>a stock of commercial goods of the same general class but having a range of styles, sizes, prices, or quality: the company's line of shoes.</li><li>an assembly line.</li><li>Law. a limit defining one estate from another; the outline or boundary of a piece of real estate.</li><li>Bridge. a line on a score sheet that separates points scored toward game below the line from points scored by setting a contract, having honors, etc., above the line.</li><li>Music. any of the straight, horizontal, parallel strokes of the staff, or one placed above or below the staff.</li><li>Military. a defensive position or front; a series of fortifications: the Maginot line.</li><li>Usually lines. a distribution of troops, sentries, etc., for the defense of a position or for an attack: behind the enemy's lines.</li><li>the body of personnel constituting the combatant forces of an army, as distinguished from the supply services and staff corps.</li><li>an arrangement of troops of an army or of ships of a fleet as drawn up for battle: line of battle.</li><li>a body or formation of troops or ships drawn up abreast (column def 6).</li><li>the class of officers serving with combatant units or warships.</li><li>the regular forces of an army or navy.</li><li>that part of an administrative organization consisting of persons actively engaged on a given project.</li><li>Compare staff 1 (def 5).</li><li>a thread, string, cord, rope, or the like.</li><li>a clothesline: the wash hanging on the line.</li><li>a cord, wire, or the like, used for measuring or as a guide.</li><li>Nautical. a pipe or hose: a steam line.</li><li>a rope or cable used at sea.</li><li>Slang. a small quantity of cocaine arranged in the form of a slender thread or line, as for sniffing.</li><li>Also. a unit equal to 1/40 (0.025) inch (0.64 millimeter), for measuring the diameter of buttons.</li><li>Angling. a length of nylon, silk, linen, cord, or the like, to which are attached the leader, hook, sinker, float, etc.</li><li>Football. either of the two front rows of opposing players lined up opposite each other on the line of scrimmage: a four-man line.</li><li>the line of scrimmage.</li><li>the betting odds established by bookmakers for events not covered by pari-mutuel betting, especially sporting events, as football or basketball.</li><li>Ice Hockey. the two wings and center who make up a team's offensive unit.</li><li>Fencing. any of the four divisions of the portion of a fencer's body on which a touch can be scored, taken as an area of attack or defense.</li><li>Textiles. the longer and preferred flax or hemp fibers. Compare tow 2 (def 2).</li><li>Fox Hunting. the trail of scent left by a fox.</li><li>a unit of length equivalent to 1/12 (0.0833) inch (2.12 millimeters).</li><li>Insurance. a class or type of insurance: casualty line.</li><li>the amount of insurance written for a particular risk.</li><li>Australian Slang. a girl or woman.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to bring into a line, or into line with others (often followed by up): to line up troops.</li><li>to mark with a line or lines: to line paper for writing.</li><li>to sketch verbally or in writing; outline (often followed by out): We followed the plan he had lined out.</li><li>to arrange a line along: to line a coast with colonies.</li><li>to form a line along: Rocks lined the drive.</li><li>to apply eyeliner to (the eyes).</li><li>to delineate with or as if with lines; draw: to line the silhouette of a person's head.</li><li>Archaic. to measure or test with a line.</li></ul><p><strong>Verb Phrase</strong></p><ul><li>to secure; make available: to line up support; to line up a speaker for the banquet.</li><li>Baseball. to be put out by hitting a line drive caught on the fly by a player of the opposing team.</li><li>to execute or perform: He lined out a few songs upon request.</li></ul>