English edit

Etymology edit

From a- privative + ? "a circle".

Noun edit

atrocha (plural atrochae)

  1. (zoology) A kind of chaetopod larva in which no circles of cilia are developed.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for atrocha”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)