Atrocha
At`ro`cha
n. | 1. | (Zool.) A kind of chætopod larva in which no circles of cilia are developed. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
n. | 1. | (Zool.) A kind of chætopod larva in which no circles of cilia are developed. |