(sports, tennis) A state in a game where a player can win the entire match by winning the next point. Often used in tennis.

(physics) associated with zero on any scale, but particularly with a temperature of absolute zero

plural of point cloud

(idiomatic) Irrelevant, moot.

(idiomatic) Irrelevantly, off-topic.

(military) The location of the center of a burst of a nuclear weapon at the instant of detonation. The zero point may be in the air, or on or beneath the surface of land or water, depending upon the type of burst, and it is thus to be distinguished from ground zero.

(tennis) A situation in which if the receiver wins the next point, (s)he will win the game (but not the set or match).

(aviation) The point in an aircraft's flight when there is insufficient fuel to reverse direction and return to the place of origin.

A symbol, such as a colon, composed of two points. / (mathematics) A point on a curve at which there are two tangents (because it touches itself, or has a cusp).

A dark brown area of fur on the ears, face, legs, and tail of a Siamese cat. / A cat that has such a marking.