inside edge

Short definition from Wiktionary

Noun

1. 1
   The edge of a bat closest to the body of the batsman.
2. 2
   A deflection of a ball off of the inside edge of a bat, sometimes to the wicket keeper for a catch.
3. 3
   The edge of the blade or side of the wheels facing towards the other foot.

Verb

1. 1
   To hit the ball with the inside edge of the bat.
2. 2
   To place one's weight on the inside edge of the skate, thereby moving in a curve in that direction.