Category:Nectocalyx

Nec`to*ca"lyx, n.; pl. Nectocalyces. Etym: [nl., fr. gr. (zoöl.) (a) the swimming bell or umbrella of a jellyfish of medusa. (b) one of the zooids of certain siphonophora, having somewhat the Form, and the essential structure, of the bell of a jellyfish, and Acting as a swimming organ.