family Terebellidae fa·mi·ly·terebellidae uncommon noun 1. marine burrowing or tube-forming polychete worms usually having long thick bodies SynonymsTerebellidaefamily Terebellidae Related words Broader terms worm family Parts Polychaeta Part of TerebellaPolycirrus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
