from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The hollow stem of a hydroid, either simple or branched.
from the GNU version of the Collaborative International Dictionary of English
- n. The hollow stem of a hydroid, either simple or branched. See Illust. of gymnoblastea and hydroidea.
from The Century Dictionary and Cyclopedia
- n. In zoology, the main stem of the cœnosare of a hydrozoan.
- n. The atheciferous stem of the hydroid corals: sometimes applied to the filiform process by which the sicula of the graptolite is suspended.
New Latin, from Ancient Greek. (Wiktionary)