Left-handed people, taken as a whole.

(intransitive, Canada, US slang) To turn left, to take a left turn.

(baseball) The part of a baseball field which is beyond the infield and to the left of a person standing on home plate and facing the pitcher.

(Britain, Australia, New Zealand, derogatory) Left-wing politicians or activists whose policies or ideas are considered to be ridiculous or too politically correct.

Using one's left hand in preference to, or more skillfully than, one's right. / Intended to be worn on, or used by, the left hand. / Turning or spiraling from right to left; anticlockwise.

(algebra) An element of a structure that produces an identity mapping when applied on the left.

(square dance) Move in which two facing dancers take left hands or forearms, turn halfway around to the left, let go, and step forward.

(soccer) A defender who normally plays on the left side of the field.

(intransitive, computing) To press the left button on a computer mouse. / (transitive, computing) To activate an item on the screen by left-clicking while the pointer is over it.

The state of being left-handed.