a sudden loud sound, especially made by something breaking or closing:
He shut the book with a snap.
a photograph taken quickly and often not very skilfully [= snapshot]:
photograph[countable] informal especially British EnglishTCP
3 American English informal
to be very easy to do:
The test was a snap.
a small metal fastener on clothes that works when you press its two parts together:
clothing[countable] American EnglishDCC
baby clothing with snaps
a sudden sound made by quickly moving one of your fingers against your thumb:
At a snap of his owner's fingers, the dog came running.
a card game in which players put down one card after another and try to be the first to shout 'snap' when there are two cards that are the same