The Collaborative International Dictionary
Wing-shell
Wing-shell \Wing"-shell`\, n. (Zo["o]l.)
Any one of various species of marine bivalve shells belonging to the genus Avicula, in which the hinge border projects like a wing.
Any marine gastropod shell of the genus Strombus. See Strombus.
Any pteropod shell.
Wiktionary
wing-shell
n. 1 Any of various species of marine bivalve shells belonging to the genus ''Avicula'', in which the hinge border projects like a wing. 2 Any marine gastropod shell of the genus ''Strombus''. 3 Any pteropod shell.