#1 line n. a formation of people or things one beside another; "the line of soldiers advanced with their bayonets fixed"; "they were arrayed in line of battle"; "the cast stood in line for the curtain call". wn #2 line n. a mark that is long relative to its width; "He drew a line on the chart". wn #3 line n. a formation of people or things one behind another; "the line stretched clear around the corner"; "you must wait in a long line at the checkout counter". wn #4 line n. a length (straight or curved) without breadth or thickness; the trace of a moving point. wn #5 line n. text consisting of a row of words written across a page or computer screen; "the letter consisted of three short lines"; "there are six lines in every stanza". wn