Mec`o*nid"i*um (?), n. [NL., dim. of Gr. a poppy. So called in allusion to the shape of the seed capsules of the poppy.] Zool.

A kind of gonophore produced by hydroids of the genus Gonothyraea. It has tentacles, and otherwise resembles a free medusa, but remains attached by a ppedicel.


© Webster 1913.

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