(surgery) Exploratory laparotomy.

(motor racing) In qualifying, the (non-competitive) lap on which one exits the pit lane and prepares for a flying lap.

(motor racing) In qualifying, a competitive lap to set a fast time, as opposed to an in lap or out lap.

plural of flying lap

(medicine, informal) A laparoscopic cholecystectomy.

plural of lap choly

plural of lap dissolve

(film) A dissolve from one image or scene to another.

(UK, slang, obsolete) Any very weak drink.

(UK) Up to chance; Outside of one's ability to control or affect the result.