Measures taken by a state or a bloc of states to monitor its borders and regulate the movement of people, animals, and goods across the border.

(aviation, countable) A system for controlling an aircraft's rotational or translational motion in one or more axes.

present participle of self-control

(especially chess) A mechanism in the tournament play of two-player board games in which each player has a set amount of time per game; the specific parameters of such a mechanism.

plural of control experiment

(cosmetics) A hair product formulated to hold down baby or fine hair.

Third-person singular simple present indicative form of lose control

simple past tense and past participle of lose control

present participle of lose control

(set phrase) To become unable to control one's emotions or actions; to abandon rationality or reason.