from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One of the flat, leaf-like, protective zooids covering other zooids of certain Siphonophora.
from the GNU version of the Collaborative International Dictionary of English
- n. One of the flat, leaflike, protective zooids, covering other zooids of certain Siphonophora.
from The Century Dictionary and Cyclopedia
- n. The peculiar protective envelop or hydrotheca of the hydranths of some oceanic hydrozoans, as the Siphonophora, of laminar or foliaceous character. Also called bract.
From Ancient Greek ὕδωρ (hudōr, "water") + φύλλιον (phullion), diminutive of φύλλον (phullon, "leaf"). (Wiktionary)