Search Result for "physophorae": 

The Collaborative International Dictionary of English v.0.48:

Physophorae \Phy*soph"o*r[ae]\, prop. n. pl. [NL., fr. Gr. fy^sa a bellows + fe`rein to bear.] (Zool.) An order of Siphonophora, furnished with an air sac, or float, and a series of nectocalyces. See Illust. under Nectocalyx. [1913 Webster]