(transitive) To restrain (a prisoner or patient, etc.) on a bed or trolley with cuffs at both wrists and both ankles.

present participle of four-point

Third-person singular simple present indicative form of four-point

plural of pain point

(business, finance) A difficult or challenging aspect of something.

(tennis) The awarding of a point for a player's opponent, as a result of infringement of the rules, e.g. foul language or time violation

(rail transport, UK) A set of facing points at the end of a crossing loop or side track parallel to a mainline which will direct a train into a sand drag if the signal on that line is passed at danger, thus preventing the train running onto the main line.

(programming) Any point during a computer program's execution at which it is guaranteed that all side effects of previous evaluations will have been performed, and no side effects from subsequent evaluations have yet been performed.

plural of sequence point

(fluid dynamics) A point in a flow field where the local velocity of the fluid is zero.