A series of quick tapping sounds

To make a series of quick tapping sounds; to palpitate

A single seed in the center of a cherry, peach, plum, olive, avocado or other fruit.

(motor racing) A lane adjacent (usually on the inner curve) to a racetrack where the competing teams' garages are situated.

A pit with no visible bottom (apparently-infinite depth). / (biblical) Hell. / (figuratively) An endless resource or supply.

(motor racing) A stop made during an automobile race at the pit to refuel and perform other periodic maintenance on the vehicle.

A pit bull terrier. / A person with a reputation for pugnacity.

plural of pit bull

(chiefly US) A hole dug in the ground, beneath the basement of a house, in which rainwater etc collects.

(colloquial) A dilapidated building, stereotypically hosting a low-grade cinema.