Hydrorhizas

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hydrorhiza \Hy`dro*rhi"za\, n.; pl. L. {Hydrorhiz[ae]}, E.
     {Hydrorhizas}. [NL., fr. E. hydra + Gr. ? a root.] (Zool.)
     The rootstock or decumbent stem by which a hydroid is
     attached to other objects. See Illust. under {Hydroidea}.
     [1913 Webster]