n.
Pronunciation: k ō - ' k ē -n ə
Function: noun
Etymology: Spanish, probably diminutive of coca head, alteration of coco bogeyman, coconut
Date: 1837
1 : a soft whitish limestone formed of broken shells and corals cemented together and used for building
2 : a small wedge-shaped clam ( Donax variabilis ) used for broth or chowder and occurring in the intertidal zone of sandy Atlantic beaches from Delaware to the Gulf of Mexico