(computing, Internet) The forwarding of a network port from one device to another; especially, such forwarding when done to provide an external user with access to a port on a private IP address.

(obsolete) a machine that used draft horses as a source of power

Alternative spelling of horsepower / Obsolete spelling of horse power

A sturdy supporting post at one end or at a turning point of a staircase banister railing, often topped with a decorative finial.

(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.

A room used to store gunpowder, particularly (historical) on a ship equipped with cannon. / (historical) A room used to powder hair and wigs.

Japanese pop music influenced by western genres

An imaginary point situated where a planet's axis intersects the celestial sphere.

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

(tennis, volleyball) A situation where if one of the two players wins the next point, (s)he will win the set (but not the match). / Alternative form of setpoint (“command signal fed into a controller”)