/ Thesaurus / T Synonyms of tooth shell Find synonyms for: Noun1. tooth shell, tusk shell, scaphopodusage: any of various seashore mollusks having a tapering tubular shell open at each end and a foot pointed like a spade for burrowingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language