A stopcock. / (Wales) Last orders.

A mechanical device that limits the travel of a mechanism. / A definite time when someone must end a task in order to meet another time commitment.

(US) A train station at which trains stop only on request.

Alternative form of stop-motion

(cricket) A fielding position, now confined to the amateur game, behind the wicket-keeper (so as to retrieve balls that the wicket-keeper misses); a fielder in this position

(sports) A place where an athlete can take a break and drink water. / A stop in a journey for drinking water or using the restroom. / Alternative form of waterstop

(US, military, uncountable) A requirement for soldiers to remain in service beyond their normal discharge date. / (stock market, countable) A stop loss order.

Intermittent; starting and stopping with regularity.

(Ireland, idiomatic) An interjection expressing exasperation or incredulity. or to illustrate the humour in a situation.

(uncountable, photography) An animation technique wherein physical objects are slightly altered and photographed one picture at a time to give an illusion of movement when displayed in sequence.