(anatomy) The boundary of the vulval vestibule.

A phrase or message used as a headline or quote that distorts the facts in order to alarm the reader or listener. / Alternative form of scare line

A long rope, cable, or other line that is used to frighten fish into an area where they are more easily caught using other gear. / Alternative form of scare-line

(military) The line of battle of one's enemy. / (military, also figuratively, usually in the plural) The boundary of the territory controlled by the enemy.

Alternative form of flatline

A condition similar to highway hypnosis, but induced by repetitive work on an assembly line.

a boundary between brackish and fresh water between or within bodies of water.

Alternative form of codline

(geometry, astronomy) Synonym of apse line

(astronomy) An imaginary line defined by an orbit's eccentricity vector. For such orbits the apse line is found: for elliptical orbits – between the orbit's periapsis and apoapsis (also known as the major axis) for parabolic and hyperbolic orbits – between the orbit's periapsis and focus.