hydrophyllium Meaning, Definition & Usage

Hy`dro*phyl"li*um noun
Etymology
NL., fr. Gr. "y`dwr water + a leaf.
Wordforms
plural L Hydrophyllia E Hydrophylliums
Definitions
  1. (Zoöl.) One of the flat, leaflike, protective zooids, covering other zooids of certain Siphonophora.

Webster 1913