IPA: //ˈkɑːrtɪŋ//
KK: /ˈkɑrtɪŋ/
A type of racing sport where participants drive small, open-wheeled vehicles known as karts or go-karts on a track.
He enjoys karting on weekends with his friends.
Karting is derived from 'kart' (a small, lightweight vehicle) and the suffix '-ing' (indicating the action or process of). The term refers to the activity or sport of racing small go-karts.
Think of 'kart' as a small vehicle and '-ing' as the action of doing something. So, karting means the action of racing small vehicles.