The Collaborative International Dictionary
Tubularian
Tubularian \Tu`bu*la"ri*an\, a. (Zo["o]l.) Of or pertaining to the tubularians.
Tubularian
Tubularian \Tu`bu*la"ri*an\, n. (Zool.) Any hydroid belonging to the suborder Tubularida.
Note: These hydroids usually form tufts of delicate tubes, and both gonophores and hydranths are naked. The gonophores of many of the species become free jellyfishes; those of other species remain permanently attached as medusoid buds or sporosacs. See Illust. under Gonosome, and Cymnoblastea.
Wiktionary
tubularian
n. (context zoology English) Any hydroid belonging to the suborder Tubularida.