[geo.duck] n [Lushootseed (Salishan language of the Puget Sound region) gwideq] (1883): a large edible clam (Panopea abrupta syn. P. generosa) of the Pacific coast that sometimes weighs over five pounds
GEODUCK
Meaning of GEODUCK in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012