family Squillidae fa·mi·lys·quillidae uncommon noun 1. crustaceans that burrow in mud or under stones in shallow water along the seashore SynonymsSquillidaefamily Squillidae Related words Broader terms arthropod family Parts Stomatopoda Part of genus Squilla WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.