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Webster 1913 Edition
Hydrorhiza
‖
Hyˊdro-rhi′za
,Noun.
pl. L.
Hydrorhizæ
(#)
, E. Hydrorhizas
(#)
. [NL., fr. E.
hydra
+ Gr. [GREEK] a root.] (Zool.)
The rootstock or decumbent stem by which a hydroid is attached to other objects. See Illust. under
Hydroidea
.