1. (noun) vertical stabilizer, vertical stabiliser, vertical fin, tail fin, tailfin
a stabilizer that is part of the vertical tail structure of an airplane
Synonyms: vertical stabiliser, fin, tailfin, caudal fin, vertical fin, tail fin, vertical stabilizer
2. (noun) tail fin, tailfin, fin
one of a pair of decorations projecting above the rear fenders of an automobile
Synonyms: tail fin, louver, cinque, quintet, five, vertical fin, flipper, quintuplet, vertical stabiliser, pentad, fin, vertical stabilizer, quint, tailfin, fivesome, caudal fin, louvre
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Synonyms for tailfin 
