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nectocalyx 泳鐘 泳鐘 Nectocalyx \Nec`to*ca"lyx\, n.; pl. {Nectocalyces}. [NL., fr.
Gr. nhkto`s swimming ? a calyx.] (Zool.) (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. [1913 Webster] Nectosac
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