CINCH

Definition of CINCH

  1. (noun)any undertaking that is easy to do
  2. (noun)stable gear consisting of a band around a horse's belly that holds the saddle in place
  3. (noun)a form of all fours in which the players bid for the privilege of naming trumps
  4. (verb)tie a cinch around
  5. (verb)make sure of
  6. (verb)get a grip on; get mastery of