Not included or accepted in a group or event.

simple past tense and past participle of leave out

One of the four chambers of the heart of humans and other mammals, which receives oxygenated blood from the left atrium and pumps it out through the aorta.

One of the chambers of the heart in humans and other mammals, which receives oxygenated blood from the lungs via the pulmonary veins, and pumps it into the left ventricle.

plural of left-winger

Of one who plays sports with their left foot in preference to, or more skillfully than their right. / Played using the left foot

Alternative form of leftover

A verbal command given usually to the bowman of a canoe or raft. It means to place the paddle in the water on the left side parallel to the boat and pull it towards the boat. This is a maneuver to move the front of the boat to the left side.

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

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