Rhachiglossa

Rhach`i`glos´sa


n. pl.1.(Zool.) A division of marine gastropods having a retractile proboscis and three longitudinal rows of teeth on the radula. It includes many of the large ornamental shells, as the miters, murices, olives, purpuras, volutes, and whelks. See Illust. in the Appendix.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.