n. Any species of genus Sertularella, or of family Sertulariidae, hydroids having branched chitinous stems and simple sessile hydrothecae.
the GNU version of the Collaborative International Dictionary of English
n. Any species of Sertularia, or of Sertularidæ, a family of hydroids having branched chitinous stems and simple sessile hydrothecæ. Also used adjectively.
The Century Dictionary and Cyclopedia
Pertaining to the genus Sertularia in a broad sense, or having its characters. Also sertularidan.
n. A member of the group to which the genus Sertularia belongs.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. feathery colony of long-branched stems bearing stalkless paired polyps