- an edible clam, Mya arenaria, inhabiting waters along both coasts of North America, having an oval, relatively thin, whitish shell.
Origin of soft-shell clam
An Americanism dating back to 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of several marine clams of the genus Mya, esp M. arenaria, an edible species of coastal regions of the US and Europe, having a thin brittle shellSometimes shortened to: soft-shell Compare quahog