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

(transitive) To cover the inner surface of (something), originally especially with linen. / To reinforce (the back of a book) with glue and glued scrap material such as fabric or paper.

(obsolete) Flax; linen, particularly the longer fiber of flax.

(transitive) To place (objects) into a line (usually used with "up"); to form into a line; to align.

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.

On a level with the eye of the observer, as of a picture hung in on a wall. / (idiomatic) At risk, as in a contest or enterprise. / Currently calling on the telephone.

An English and Scottish surname.

Having a lining, an inner layer or covering. / (of paper) Having lines, ruled. / (of skin) Having visible lines or wrinkles.

simple past tense and past participle of line