Physophoræ

Definitions

  • Webster's Revised Unabridged Dictionary
    • n. pl Physophoræ (Zoöl) An order of Siphonophora, furnished with an air sac, or float, and a series of nectocalyces. See Illust. under Nectocalyx.
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Etymology

Webster's Revised Unabridged Dictionary
NL., fr. Gr. a bellows + fe`rein to bear