geo·duck 
(gē-dŭk′)
(gē-dŭk′)n.
A very large, edible clam (Panope abrupta) of the Pacific coast of northwest North America.
[From Puget Salish gwídəq.]
- protopathy
- protoplanet
- protoplanetary disk
- protoplasm
- protoplasmal
- protoplasmatic
- protoplasmic
- protoplast
- protoplastic
- protoporphyrin
- protostar
- protostele
- protostelic
- protostome
- prototroph
- prototrophic
- prototrophy
- prototypal
- prototype
- prototypic
- prototypical
- protozoal
- protozoan
- protozoic
- protozoological