meconidium Meaning, Definition & Usage

Mec`o*nid"i*um noun
Etymology
NL., dim. of Gr. a poppy. So called in allusion to the shape of the seed capsules of the poppy.
Definitions
  1. (Zoöl.) A kind of gonophore produced by hydroids of the genus Gonothyræa. It has tentacles, and otherwise resembles a free medusa, but remains attached by a pedicel.

Webster 1913