Definition of tubularia
1
capitalized
: a genus (the type of the family Tubulariidae) of anthomedusan hydroids having hydranths with two circles of tentacles at the summits of long, slender usually simple stems and small adelocodonic gonophores that cluster at the bases of the outer tentacles
2
plural -s
: any hydroid of the genus Tubularia or sometimes of the family Tubulariidae
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