Aeolididae
plural noun
Ae·o·lid·i·dae
ˌē-ə-ˈli-də-ˌdē
: a family that is made up of nudibranchs that have many nematocysts obtained from the hydroids on which they feed and that is sometimes placed with related families in a superfamily (Aeolidoidea)
Word History
Etymology
borrowed from New Latin, from Aeolid-, Aeolis, aeolis + -idae -idae
First Known Use
1882, in the meaning defined above