(idiomatic) The practice of flipping a coin in the air, to choose between two alternatives based on which side lands face up.

Alternative spelling of swallowtailed

(Britain, of traffic) Arranged in close formation, one behind the other.

(Britain, of traffic) Moving slowly in this manner. / Entirely, from head to toe.

(Australia) A minor traffic accident where one vehicle runs in to the back of another.

Used other than figuratively or idiomatically: The tail of a whale. / (slang) An unintentional display of a thong above the waistband of trousers etc. / A kind of automotive spoiler.

Alternative form of tail end

(colloquial) one who delays or is constantly late. / (aviation) Alternative form of taildragger

One who operates the gun or guns in the tail of a military aircraft, usually a bomber.

A one of two species of frogs in the genus Ascaphus, distinctive by virtue of having what looks like a tail.