What is the rootstock or decumbent stem by which a hydroid is attached to other objects. See Illust. under Hydroidea called?
hydrorhiza — The rootstock or decumbent stem by which a hydroid is attached to other objects. See Illust. under Hydroidea. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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