(rare) alternative spelling of 家鴨: a domestic duck, Anas platyrhynchos var. domesticus, descended from the mallard

“to make a duck of someone”: to skillfully or cunningly beat out an opponent, such as in gambling or a swindle; compare English to make a monkey out of, to shark someone

wild duck / mallard

cotton (both the fiber and the cloth)

the cotton plant / raw cotton / batting or stuffing / the albedo of a citrus; or the pith of a pepper

cotton

hair, fur

one thousandth of a 寸 (sun) (approximately 0.0303 mm) / one thousandth of a 匁 (monme) (exactly 3.75 mg) / one thousandth of a 割 (wari) (0.01 percent)

(ecology) habitat

the Arctic Ocean