In programming, assigning a type to a variable based on its contents. In other words, if it "walks like a duck and talks like a duck, etc." See typing.
Browse entries near duck typing
duck plague
duck soup
duck soup (synonyms)
duck soup (idioms)
duck type
duck-billed dinosaur
duck-billed dinosaur (science)
duck-billed platypus
duck-tailed
duck's ass