A security mechanism, policy, or procedure that can counter system attack, reduce risks, and resolve vulnerabilities; a safeguard or countermeasure.
(project management) A means of monitoring for, and triggering intervention in, activities that are not going according to plan.
A duplicate book, register, or account, kept to correct or check another account or register.
(graphical user interface) An interface element that a computer user interacts with, such as a window or a text box.
(climatology) Any of the physical factors determining the climate of a place, such as latitude, distribution of land and water, altitude, exposure, prevailing winds, permanent high- or low-barometric-pressure areas, ocean currents, mountain barriers, soil, and vegetation.
(linguistics) A construction in which the understood subject of a given predicate is determined by an expression in context. See control.
(nautical) An ironblock, usually bolted to a ship's deck, for controlling the running out of a chain cable. The links of the cable tend to drop into hollows in the block, and thus hold fast until disengaged.
(espionage) The person who supervises and handles communication with an agent in the field.
(linguistics) The subject of a control verb. See Control (linguistics)