A pus-filled swelling on the surface on the skin caused by an eruptive disease. / Any pit, especially one formed as a scar

To scar or mark with pits

A mark or scar in the skin caused by a pock. / A crater in the seafloor caused by erupting gas or liquid.

A pole, usually wooden, that carries telephone lines above a street.

(chiefly Britain, dated) A telephone kiosk where members of the public may telephone the police; a few original boxes still exist in Britain, but they do not operate. The city of Glasgow in Scotland has new police boxes, which are not booths but computerised kiosks, that connect the caller to a police CCTV control-room operator.

(mathematics, catastrophe theory) The point at which a slow, reversible change becomes irreversible, often with dramatic consequences.

The potential energy in an electric cell or battery.

(electricity) The potential energy per unit charge at a point in a static electric field.

(set theory, of a set S) The set whose elements comprise all the subsets of S (including the empty set and S itself).

(idiomatic, US, colloquial) To leave without saying goodbye; leave quietly, run away; scram; depart without taking leave or notifying anyone, often with a connotation of avoiding something unpleasant or shirking responsibility.