Hydrocaulus

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Hydrocaulus (Zoöl) The hollow stem of a hydroid, either simple or branched. See Illust. of Gymnoblastea and Hydroidea.
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Century Dictionary and Cyclopedia
    • n hydrocaulus In zoology, the main stem of the cœnosare of a hydrozoan.
    • n hydrocaulus The atheciferous stem of the hydroid corals: sometimes applied to the filiform process by which the sicula of the graptolite is suspended.
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Etymology

Webster's Revised Unabridged Dictionary
NL., fr. Gr. "y`dwr water + a stalk

Usage

In literature:

The body bears tentacles, but shows no division into hydrorhiza, hydrocaulus or hydranth; it is temporarily fixed and has no perisarc.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 2" by Various
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