Webster’s Revised Unabridged Dictionary · 1913
Atrocha
At′ro·cha (ăt′rō·kȧ), n. [NL., fr. Gr. ἀ priv. + τροχός a circle.] (Zoöl.) A kind of chætopod larva in which no circles of cilia are developed.
Webster’s Revised Unabridged Dictionary · 1913
At′ro·cha (ăt′rō·kȧ), n. [NL., fr. Gr. ἀ priv. + τροχός a circle.] (Zoöl.) A kind of chætopod larva in which no circles of cilia are developed.