Word: tailfin
Part of speech: Noun
Syllables: tail
fin
Definition: A fin at the tail of a fish, caudal fin
Morphemes:
Affix: tail
Language: en
PoS: Noun
Meaning: The tail-end of an object, e.g. the rear of an aircraft's fuselage, containing the tailfin.
Affix: fin
Language: en
PoS: Verb
Meaning: (Of a fish) to swim with the dorsal fin above the surface of the water.