one behind another; in a queue

(idiomatic) Suitable or appropriate; keeping with expectations, norms, ideals, or rules. / (of three or more objects) Positioned in a straight line. / (not comparable) assuming a position in the future.

Consisting of parts arranged in a single line. / (writing) Inserted in the flow of a text. / (computing, of source code) Of a different language than the outer enclosing code.

(film, theater) Words spoken by the actors. / (fortifications) Dispositions made to cover extended positions, and presenting a front in but one direction to an enemy.

Third-person singular simple present indicative form of line

plural of line

(US, chiefly New York City) On a queue; waiting one's turn for something.

plural of lining

(transitive, now rare, of a dog) To copulate with, to impregnate.

(geometry) An infinitely extending one-dimensional figure that has no curvature; one that has length but not breadth or thickness.