What is the meaning of Left?

Designating the side of the body toward the west when one is facing north; the side of the body on which the heart is located in most humans; the opposite of right. This arrow points to the reader's left: ←

Designating the bank of a river (etc.) on one's left when facing downstream (i.e. facing forward while floating with the current); that is, the north bank of a river that flows eastward. If this arrow: ⥲ shows the direction of the current, the tilde is on the left side of the river.

Left-wing; pertaining to the political left.

On the left side.

Towards the left side.

Towards the political left.

The left side or direction.

The left-wing political parties as a group; citizens holding left-wing views as a group.

The left hand or fist.

A punch delivered with the left fist.

A wave breaking from left to right (viewed from the shore).

simple past and past participle of leave (depart, separate from; (cause or allow to) remain).

simple past and past participle of leave (permit).

left

Source: wiktionary.org