tubularian UK /ˌt(j)uː.bjəˈlə.iː.ən/US /ˌt(j)u.bjəˈləɹ.i.ən/adjective 1noun 1forms 1 adjective1 •Hydriform in a tubular shape with wide disc. noun1 •Any hydroid belonging to the former suborder Tubularida (cnidarians). formstubularians
