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

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

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

(aviation) A type of aircraft that has the horizontal stabilizer situated atop, or near the top of, the vertical stabilizer.

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.

(of a person or other animal, or of clothing) Slatternly, untidy, unkempt.

Alternative spelling of hightail it.

To gradually subside or diminish; to tail away.

(intransitive) To gradually subside or diminish; to tail off.

The hindmost part of anything (a person, animal, or object), the rear end; the butt, buttocks; hindquarters, rump.