snap

• sharp cracking sound; sudden breaking; abrupt movement; fastener which makes a snapping sound when opened or closed; attempt to grab or bite; snapshot; short period of cold weather; abrupt way of speaking
break with a sharp noise; make a cracking sound; make a sharp sound by moving a fingertip across the thumb; open or close with a snapping sound; grab, snatch; bite; speak in an irritated manner; move abruptly; take a photograph
done or made suddenly; easy, simple; fastening with a click or snap
suddenly, abruptly, with a snap
if something snaps, it breaks suddenly, usually with a sharp sound. verb here but can also be used a singular noun. e.g. the snap of a twig broke the silence.
if someone snaps, or if their patience snaps, they suddenly stop being calm and become angry because the situation has become too tense or difficult for them.
if something snaps around or into something else, it moves quickly into position, with a sharp sound. verb here but can also be used a singular noun. e.g. the trap closes with a sudden snap.
if you snap your fingers, you make a sharp sound by moving your middle finger quickly across your thumb in order to accompany music or to order someone to do something.
if an animal snaps at you, it shuts its jaws quickly near you, as if it was going to bite you.
if someone snaps at you, they speak to you in a sharp, unfriendly way.
a snap decision or action is taken suddenly, often without careful thought.
a snap is a photograph that is taken quickly and casually; an informal use.
if you snap something up, you buy it quickly because it is a bargain or because it is just what you want; an informal expression.