hydroid
Any of many colonial coelenterates that exist mainly as a polyp; a hydrozoan.
Adjective
- Of or pertaining to such creatures
Origin
From hydro- + -oid.
Noun
- Any of many colonial coelenterates that exist mainly as a polyp; a hydrozoan.
Any of many colonial coelenterates that exist mainly as a polyp; a hydrozoan.
From hydro- + -oid.