- a ciliate, free-swimming larva common to several groups of invertebrates, as many mollusks and rotifers.
Origin of trochophore
1890–95; < Greek trochó(s) wheel + -phore
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the ciliated planktonic larva of many invertebrates, including polychaete worms, molluscs, and rotifers
C19: from Greek trokhos wheel + -phore