I. rac ‧ ing 1 S3 /ˈreɪsɪŋ/ BrE AmE noun [uncountable]
1 . the sport of racing horses SYN horse racing :
watching the racing on television
today’s racing results
⇨ ↑ flat racing
2 . car/bike/greyhound etc racing the sport of racing cars etc
II. racing 2 BrE AmE adjective [only before noun]
designed or bred to go very fast and be used for racing:
racing pigeons
a racing yacht