tail

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tail

1
1. the region of the vertebrate body that is posterior to or above the anus and contains an elongation of the vertebral column, esp forming a flexible movable appendage
2. the rear part of an aircraft including the fin, tail plane, and control surfaces; empennage
3. Astronomy the luminous stream of gas and dust particles, up to 200 million kilometres long, driven from the head of a comet, when close to the sun, under the effect of the solar wind and light pressure
4. Angling the lowest fly on a wet-fly cast
5. a final short line in a stanza
6. the lower end of a pool or part of a stream

tail

2 Property law
1. the limitation of an estate or interest to a person and the heirs of his body
2. (of an estate or interest) limited in this way

tail

Short for comet tail.

Tail

 

a more or less isolated and mobile posterior section of the body in vertebrates that performs various functions.

In fishes the tail section is not sharply differentiated from the body and is usually equipped with a large fin—the main organ of locomotion. The tail of terrestrial vertebrates does not perform a locomotive function, although in many animals, for example, caudate amphibians and reptiles, it serves as an auxiliary organ of locomotion. In extant birds the caudal section proper of the spine is shortened; in Carinatae it is represented by five to seven vertebrae that are concresced into the coccyx, or pygostyle, which supports the rectrices. The tail of mammals is a slender, mobile appendage of varying length; the skeletal axis consists of three to 49 free vertebrae.

The tail may be prehensile, serving as an aid in climbing (opossums, certain anteaters and monkeys, raccoons). It may serve as an organ of support and a rudder in some jumping animals (kangaroos, jerboas, great jerboas), or it may act as a parachute (squirrels, dormouses). The short tail of whales and sirens has developed a fin and, thus, performs a locomotive function. Some animals, for example, horses and cattle, drive away flying insects with their tails. In a number of mammals the tail is reduced.

In the human embryo a tail appears at the end of the first month or the beginning of the second. With normal development it disappears during the third month. The presence of a tail in a human in the postembryonic period is an example of atavism.

What does it mean when you dream about a tail?

A tail can refer to excitement, as in a dog that wags its tale, or the opposite, as when a tail is dragged between one’s legs. There are numerous idioms involving this word, and dreams in which a tail is featured can be alluding to the meaning of any one of them: “turn tail,” “on someone else’s coattails,” a “tail wagging the dog,” or the “tail end” of something.

tail

[tāl]
(aerospace engineering)
The rear part of a body, as of an aircraft or a rocket.
The tail surfaces of an aircraft or a rocket.
(astronomy)
The part of a comet that extends from the coma in a direction opposite to the sun; it consists of dust and gas that have been blown away from the coma by the solar wind and the sun's radiation pressure.
(electronics)
A small pulse that follows the main pulse of a radar set and rises in the same direction.
The trailing edge of a pulse.
(mathematics)
For a stochastic process represented by x (t1), x (t2),…, the process obtained by deleting the first n terms, for some n.
(vertebrate zoology)
The usually slender appendage that arises immediately above the anus in many vertebrates and contains the caudal vertebrae.
The uropygium, and its feathers, of a bird.
The caudal fin of a fish or aquatic mammal.

tail

1. Exposed lower portion of a slate shingle.
2. Tailing.
3.See rafter tail.
4.See lookout.

tail

tail
tail
i. The rear part of a body, as of an aircraft, a rocket, etc.
ii. The tail surfaces of an aircraft or rocket.
References in periodicals archive ?
Scholarly researched, professional in its presentation, and incredibly enjoyable to read, Tail-End Charlies is definitely a must-have book.
The purpose of the concrete lining of canals was to ensure smooth supply of water to tail-end growers, sources concluded.
It said the Visayas, the Bicol Region, Caraga, Northern Mindanao and the Zamboanga Peninula would experience cloudy skies with scattered rainshowers and thunderstorms brought about by the tail-end of a cold front.
He said that instead of Rangers he had ordered police to curb water theft from Irrigation networks and monitor that the water was supplied to the tail-end areas.
Versalite's Dual Beam products have either an energy-saving LED light or a lantern light located in the tail-end of the flashlight.
SANJHORO -- The tail-end growers of the Shahu Wah are facing acute shortage of water due to negligence of the Irrigation Department authorities.
The tail-end of a cold front will bring the same conditions to CALABARZON, MIMAROPA, the Bicol region, the Visayas and Caraga, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa) said in its 4 a.
Meanwhile, the northeast monsoon affecting north and central Luzon and the tail-end of a cold front over the eastern section of southern Luzon will also bring rains in those areas.
The growers belonging to tail-end areas of Nara and Rohri canals complained about water scarcity damaging their crops.
Another factor for the region's windy weather is that the Antelope Valley is at the tail-end of weather fronts that spin counterclockwise.
last week put upward pressure on prices at the tail-end of the heating season," said Kelley Doolan, natural gas market specialist for Platts and chief editor of Inside FERC's Gas Market Report.
THARI MIRWAH -- The tail-end growers of the Bilawal Wah are facing acute shortage of water due to negligence of the Irrigation Department authorities.