duck >> /dək/
Definition: [noun] A waterbird with a broad blunt bill, short legs, webbed feet, and a waddling gait.
Example: The rear feet of the beaver are large and webbed like a duck's feet, to give the animal good swimming ability.
Definition: [noun] A pure white thin-shelled bivalve mollusk found off the Atlantic coasts of America.
Definition: [noun] An amphibious transport vehicle.
Example: visitors can board an amphibious duck to explore the city