Cinch has multiple meanings:

• A cinch is a wide strap that attaches a saddle to a horse.
• A CINCH is also a belay device for sport climbing.
• A CINCH/AV connector is also referred to as an RCA jack or phono connector.
• Colloquially, if something is easy to do, it is said to be a "cinch".
• Cinch is a card game.
• Cinch is a brand of cleaning products owned by Prestige Brands.