Breadcrumb Home > Thesaurus > C Synonyms of clamshell Find synonyms for: Noun 1. clamshell, shell usage: the shell of a clam 2. clamshell, grapple, dredging bucket usage: a dredging bucket with hinges like the shell of a clam WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of clamshell (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: terraincognita Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language