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1 definition found
 for Hydromedusa
From The Collaborative International Dictionary of English v.0.48 :

  Hydromedusa \Hy`dro*me*du"sa\, n.; pl. Hydromedus[ae]. [NL.
     See Hydra, and Medusa.] (Zool.)
     Any medusa or jellyfish which is produced by budding from a
     hydroid. They are called also Craspedota, and naked-eyed
     medus[ae].
     [1913 Webster]
  
     Note: Such medus[ae] are the reproductive zooids or
           gonophores, either male or female, of the hydroid from
           which they arise, whether they become free or remain
           attached to the hydroid colony. They in turn produce
           the eggs from which the hydroids are developed. The
           name is also applied to other similar medus[ae] which
           are not known to bud from a hydroid colony, and even to
           some which are known to develop directly from the eggs,
           but which in structure agree essentially with those
           produced from hydroids. See Hydroidea, and
           Gymnoblastea.
           [1913 Webster]

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