n. A genus of pteropods.n. A genus of true siphonophorous hydrozoans, of the family Hippopodiidæ, related to Diphyes, but having more than two nectocalyxes of characteristic hippocrepiform Structure.n. [I. c] In botany, in gasteromycetous fungi, the chambered part of the fructification, upon the walls of whose cavities the spores are borne. Also glebula.