Cucurbitaceae cu·cur·bi·taceae uncommon noun 1. a family of herbaceous vines (such cucumber or melon or squash or pumpkin) Synonymsfamily Cucurbitaceaegourd family Related words Broader terms dicot family Narrower terms cucurbit Parts Campanulales Part of gourdCucurbitagenus BryoniaCitrullusCucumisEcballiumLagenariagenus Luffa WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.