Definition of “left” - Learner’s Dictionary

left

adjective [ always before noun ], adverb uk us /left/

A2 on or towards the side of your body that is to the west when you are facing north:

Step forward on your left leg.
She had a diamond earring in her left ear.
Turn left at the end of the hallway.
→ Opposite right adjective

(Definition of “left adjective, adverb” from the Cambridge Learner's Dictionary © Cambridge University Press)