from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A kind of embryo of certain hydroids (Tubularia), having a stellate form.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. A kind of embryo of certain hydroids (Tubularia), having a stellate form.
from The Century Dictionary and Cyclopedia
- n. A name given by Allman to the larval condition of Hydrophora (Hydrozoa), appearing when the ciliated locomotive planula or embryo has become fixed by its aboral end, and has passed into the elongated gastrula-stage by the formation of the mouth with its circlet of tentacles. See planula.
From Ancient Greek, a ray. (Wiktionary)
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