tornaria: Meaning and Definition of

tor•nar•i•a

Pronunciation: (tôr-nâr'ē-u), [key]
— pl. -nar•i•as, -nar•i•ae
  1. the ciliated, free-swimming larva of certain hemichordates.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.