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Tail fin
01
the posterior part of a fish or aquatic animal's body, composed of fins that provide propulsion and maneuverability
Grammatical Information
Animacy status
Animal
Composition
Compound
Countable
Plural form
tail fins
Examples
The tail fin of a dolphin is adapted for powerful swimming and diving.
02
a stabilizer that is part of the vertical tail structure of an airplane
03
one of a pair of decorations projecting above the rear fenders of an automobile
