Quahog

['kwɔːhɒg;'kwɑː-] or ['kwɔhɔg]

(noun.) an edible American clam; the heavy shells were used as money by some American Indians.

Checker: Rhonda--From WordNet

(n.) Alt. of Quahaug

Edited by Bessie

n. the common round clam of the North American Atlantic coast.—Also Quahaug′.

Checker: Micawber