English definition of “snap”
SOUND [no plural] › a sudden, short, loud sound like something breaking or closing: I heard a snap as I sat on the pencil.
PHOTOGRAPH [C] UK informal (UK/US snapshot) › a photograph: holiday snaps
FASTENING [C] US (UK popper) › a metal or plastic object made of two parts which fit together with a short, loud sound, used to fasten clothing
GAME [U] › a card game in which you say "snap" when you see two cards that are the same
be a snap US informal › to be very easy: The French test was a snap.