adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of many colonial coelenterates that exist mainly as a polyp; a hydrozoan
2. 2
   colonial coelenterates having the polyp phase dominant wordnet

Adjective

1. 1
   Of or pertaining to such creatures not-comparable

Synonyms

All synonyms

hydrozoanhydrozoan

Etymology

From hydro- + -oid.

Related phrases

tubular sponge hydroid

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.