tail fin


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Related to tail fin: Pectoral fins, ventral fin

tail fin

also tail·fin  (tāl′fĭn′)
n.
1. A fin at the posterior part of the body of a fish, crustacean, whale, or other aquatic animal.
2. An ornamental projection shaped like a fin on the rear fender of an automobile. Also called fin1.
3. A fin at the tail end of an aerodynamic or hydrodynamic object such as an airplane or surfboard, used to provide directional control or stability.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tail′ fin`


n.
1. the terminal vertical fin of a fish.
2. See under fin 1 (def. 6).
[1675–85]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tail fin - a stabilizer that is part of the vertical tail structure of an airplanetail fin - a stabilizer that is part of the vertical tail structure of an airplane
stabilizer - airfoil consisting of a device for stabilizing an aircraft
vertical tail - the vertical airfoil in the tail assembly of an aircraft
2.tail fin - one of a pair of decorations projecting above the rear fenders of an automobile
auto, automobile, car, motorcar, machine - a motor vehicle with four wheels; usually propelled by an internal combustion engine; "he needs a car to get to work"
decoration, ornament, ornamentation - something used to beautify
3.tail fin - the tail of fishes and some other aquatic vertebratestail fin - the tail of fishes and some other aquatic vertebrates
fin - organ of locomotion and balance in fishes and some other aquatic animals
heterocercal fin - a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks
homocercal fin - symmetrical tail fin extending beyond the end of the vertebral column as in most bony fishes
fish - any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills; "the shark is a large fish"; "in the living room there was a tank of colorful fish"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
I thought: 'That will just take his fin off and he'll never get home without the tail fin'.
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Five F-16 fighter jets with a painting of the Amis tribe's sun god on their tail fin took off from the nearby airbase around 6:30 a.m.
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Visit singaporeair.com Tail fin hero: Sir Ernest Shackleton EXPLORER HONOURED ANTARCTIC explorer Sir Ernest Shackleton is the latest British tail fin hero to feature on a Norwegian Dreamliner.
Visit singaporeair.com ANTARCTIC explorer Sir Ernest Shackleton is the latest British tail fin hero to feature on a Norwegian Dreamliner.
The group found the specimen's odd-looking vertebra formed part of its tail fin. This appeared like a mix of features from two different Jurassic-era families of crocodiles - one that had a bone-like protective armor on the back and belly as well as limbs for walking on the surface and other that missed out on the armor but had tail fins and flippers to help with swimming.
The tail fin of a plane could be seen above olive trees, with smoke and flames rising from the wreckage.
jane austen takes flight JANE AUSTEN is the latest British 'tail fin hero' on a Norwegian jet.
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Divers believe they have spotted flight QZ8501's tail fin, which could hold the plane's black box.