Aythya nyroca, a medium-sized diving duck from Eurasia

(epistemology, philosophy) A form of abductive reasoning, application of intuition, or common sense regardless of technical parameters, to identify an ostensibly unknown subject by observing that subject's characteristics.

plural of duck test

Especially of animal species, having facial features resembling the bill of a duck.

An edible lizardfish, Harpadon nehereus, found in the waters around Mumbai / (India, historical, slang) A member of the Bombay regiments of the East India Company's army.

(dialect) A very heavy rain.

plural of duck mole

(obsolete) The platypus.

Oxyura jamaicensis, a small stifftail duck, the male of which has a rust-coloured body.

plural of duck tape