cinch (
http://definr.com/cinch)
n 1: any activity that is easy to do; "marketing this product
will be no picnic" [syn:
picnic,
snap,
duck soup,
child's play,
pushover,
walkover,
piece of cake]
2: stable gear consisting of a band around a horse's belly that
holds the saddle in place [syn:
girth]
3: a form of all fours in which the players bid for the
privilege of naming trumps
v 1: tie a cinch around; "cinch horses" [syn:
girth]
2: make sure of
3: get a grip on; get mastery of