cucumariidae
[kjuːkjuːˈmɛəraɪdiːd]
Definitions
1. noun
A family of sea hares, a group of marine gastropod mollusks.
“The researchers studied the behavior of cucumariidae in their natural habitat.”
2. plural noun
Members of the family Cucumariidae.
“The aquarium displayed various species of cucumariidae, each with unique characteristics.”