VELIGER

Etymology

Noun

veliger (plural veligers)

(zoology) The planktonic larva of many kinds of marine and freshwater gastropod molluscs, as well as most bivalve molluscs.

Source: Wiktionary

Vel"i*ger, n. Etym: [NL., fr. L. velum a veil + gerere bear.] (Zoöl.)

Definition: Any larval gastropod or bivalve mollusk in the state when it is furnished with one or two ciliated membranes for swimming.

Source: Webster’s Unabridged Dictionary 1913 Edition