(idiomatic) To firmly maintain one's viewpoint, principles, or situation; to refuse to change one's practices or plans.

Alternative form of chowline

Alternative form of zipline

(idiomatic, often figuratively) To delimit a boundary or border.

A slaughterhouse production line, where carcasses are strung up, and butchers successively process the same cuts progressively at each succeeding station, as the carcasses are pushed down the line.

(physics) A spectrum, typically produced by a luminous gas, that consists of separate lines typical of particular elements

A permanent wrinkle on the forehead.

(anatomy) An imaginary line drawn through the acanthion and the auditory meatus.

(US) To skip to the head of a queue without waiting for one's turn.

Misspelling of toe the line.