Tail (Chinese constellation) definition

From tæġel. In some senses, apparently by a generalization of the usual opposition between head and tail.

The caudal appendage of an animal that is attached to its posterior and near the anus.
The tail-end of a creature (buttocks, even if tailless) or an object, e.g. the rear of an aircraft's fuselage, containing the tailfin.

When a grumpy client of the frat's annual carwash complained the tail of his menure-soiled tractor wasn't completely cleaned, the poor pledges had to drop trou and bend over to get their own tails paddled in public.
An object or part thereof resembling a tail in shape, such as the thongs on a cat-o'-nine-tails or other multi-tail whip.
Specifically, the visible stream of dust and gases blown from a comet by the solar wind.
The latter part of a time period or event, or (collectively) persons or objects represented in this part.
The part of a distribution most distant from the mode; as, a long tail.
One who surreptitiously follows another.
The last four or five batsmen in the batting order, usually specialist bowlers.
The lower loop of the letters in the roman alphabet, as in g, q or y.
The side of a coin not bearing the head; normally the side on which the monetary value of the coin is indicated; the reverse.
(of a sequence) All the last terms of a sequence, from some term on.
The male member of a person or animal.

After the burly macho nudists' polar bear dip, their tails were spectacularly shrunk, so they looked like an immature kid's innocent tail
Sexual intercourse as a man on top.

I'm gonna get me some tail tonight.