adjective / noun / adverb
left
LEFT/left/
The side toward the west when facing north.
The woman's red sleeve covers her left arm.

Etymology
The word probably developed from an Old English term meaning “weak,” referring to the usually weaker hand. That hand supplied the name for the corresponding side of the body.
In context
since the heart sits mostly on the left side of the chest the left side of the lungs has two lobes where the right lung has three lobes
More examples
- Turn left at the corner.
- The exit is on your left.
- He moved to the left side.
Forms
left · lefts