nageoire
French
editEtymology
editFrom nager (“to swim”) + -oire.
Pronunciation
editNoun
editnageoire f (plural nageoires)
Usage notes
editThe word nageoire is used to describe non solid fins such as the flipper of a dolphin or the side fins of a tuna. Whereas solid fins placed on the back of any animals such as the ones of a shark or a dolphin, be it mammal or a fish are called ailerons. For non solid back fins (tuna), the term nageoires dorsales is respectively used.