A comb.
Greek kteis, kten‑, comb.
A ctenidium is a comb-like structure, especially a respiratory organ or gill in a mollusc; a ctenoid fish scale has many tiny projections on the edge like the teeth of a comb; Ctenophora is a small phylum of aquatic invertebrates that comprises the comb jellies. The initial letter is silent.
Copyright © Michael Quinion 2008–. All rights reserved. Your comments are very welcome.