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1. The posterior part of an animal, especially when elongated and extending beyond the trunk or main part of the body.
2. The bottom, rear, or hindmost part, especially:
a. The lowest part of a garment such as a shirt or coat.
b. The rear end of an automobile or other vehicle.
c. The rear portion of the fuselage of an aircraft or the assembly of stabilizing planes and control surfaces in this portion.
d. The vaned rear portion of a bomb or missile.
3. A long thin arrangement, part, or structure, often extending from a main structure:
a. A long thin part on some kites that hangs down below the part that catches the wind to provide stability.
b. The long stream of gas and dust that is illuminated and directed away from the head of a comet when it is close to the sun.
c. A braid of hair; a pigtail.
d. A train of followers; a retinue.
4. Something that follows something else or takes the last place:
a. The end of a line of persons or things.
b. The short closing line of certain stanzas of verse.
c. The refuse or dross remaining from processes such as distilling or milling.
a. A formal evening costume typically worn by men.
b. A tailcoat.
6. often tails(used with a sing. verb) The side of a coin not having the principal design.
7. The trail of a person or animal in flight: The police were on the bank robber's tail.
8. A person assigned or employed to follow and report on someone else's movements and actions: The police put a tail on the suspected drug dealer.
a. Slang The buttocks.
b. Vulgar Slang Sexual intercourse.
c. Offensive Slang Women considered as sexual partners.
1. Of or relating to a tail or tails: tail feathers.
2. Situated in the tail, as of an airplane: a tail gunner.
v. tailed, tail·ing, tails
1. To provide with a tail: tail a kite.
2. To deprive of a tail; dock.
3. To serve as the tail or last part of: The Santa Claus float tailed the parade.
4. To connect (often dissimilar or incongruous objects) by the tail or end: tail two ideas together.
5. To set one end of (a beam, board, or brick) into a wall.
6. Informal To follow and keep (a person) under surveillance.
1. To become lengthened or spaced when moving in a line: The patrol tailed out in pairs.
2. To be inserted at one end into a wall, as a floor timber or beam.
3. Informal To follow: tailed after the leader.
a. To go aground with the stern foremost.
b. To lie or swing with the stern in a named direction, as when riding at anchor or on a mooring.
5. Sports To veer from a straight course in the direction of the dominant hand of the player propelling the ball: a pitch that tails away from the batter.
To ease a heavy load down a steep slope.
tail off (or away)Idiom:
To diminish gradually; dwindle or subside: The fireworks tailed off into darkness.
with (one's) tail between (one's) legs
In a state of humiliation or dejection.
[Middle English, from Old English tægel.]
tail 2(tāl) Law
Limitation of the inheritance of an estate to a particular person and that person's heirs.
Being in tail: a tail estate.
[Middle English taille, from Old French, division, from taillier, to cut; see tailor.]