olives

Rhachiglossa \Rhach`i*glos"sa\, n. pl. [NL. See {Rhachis}, and {Glossa}.] (Zo["o]l.) 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. [1913 Webster]