Dictionary.com

tusk shell

noun

tooth shell.

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Origin of tusk shell

An Americanism dating back to 1860–65

Words nearby tusk shell

tushie, Tusi, tusk, Tuskegee, tusker, tusk shell, tussah, tussal, Tussaud, Tussi, tussiculation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for tusk shell

tusk shell

noun

any of various burrowing seashore molluscs of the genus Dentalium and related genera that have a long narrow tubular shell open at both ends: class ScaphopodaAlso called: tooth shell
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012