trochophore definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a free-swimming ciliated larva of several invertebrate groups, including many marine annelid worms, mollusks, brachiopods, and nemerteans
Origin: Classical Greek trochos, a wheel (see troche) plush -phore
trochophore definition by American Heritage Dictionary
The small, free-swimming, ciliated aquatic larva of various invertebrates, including certain mollusks and annelids.
Origin: Greek trokhos, wheel (from trekhein, to run) + -phore.