Snap is a common English language word whose definition can be found in the wiktionary entry. It can also mean:

• Snap, a card game.
• Snap!, a German music band.
• SNAP header, the Sub-Network Attachment Point header.
• Snap, a search engine.
• Snap fastener , a term for a special type of fastner on a piece of clothing.
• Snap (Space Nuclear Auxiliary Power) , a type of small, nuclear-powered electric generator
• Supernova / Acceleration Probe
• One of the mascots of Rice Krispies
• S.N.A.P (Scaleable Node Address Protocol) - a generic, free and open network protocol designed primarily for home automation and control systems.