The swing of a ball through the air in a direction towards the batsman(noun)
Describing a bowler who uses inswing in the ball's flight(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "inswing" in a sentence
"Outswing, inswing, reverse swing, all delivered with immense accuracy."
"Leg theory, bowling to a legside field, had been around since the turn of that century and was perfected in particular by the Derbyshire inswing bowler Fred Root."
"Ryan Sidebottom, still in talks over a contract extension at Trent Bridge or a possible move south to Hove, hasn't quite got it right, bowling big inswing to the right-handed Varun Chora, playing his first championship match since the start of June, and then pushing the ball across by way of variation."