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definitions

hard-shell clam

noun
  1. quahog.

Origin of hard-shell clam

An Americanism dating back to 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for hardshell clam

hard-shell clam

noun
  1. another name for the quahog
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