Read the dictionary definition of cinch. All definitions for this word.
1. a form of all fours in which the players bid for the privilege of naming trumps
2. any undertaking that is easy to do
1. marketing this product will be no picnic
3. stable gear consisting of a band around a horse's belly that holds the saddle in place
4. get a grip on; get mastery of
5. make sure of
6. tie a cinch around
1. cinch horses