(intransitive) To carry out counterespionage.

Somebody from a certain country. / Somebody from one's own country; a fellow countryman; compatriot. / A country dweller, especially a follower of country pursuits.

The administrative town of a county in Ireland or the United Kingdom. / A similar type of town in China.

A heavy mass of often iron or concrete, mechanically linked in opposition to a load which is to be raised and lowered, with the intent of reducing the amount of work which must be done to effect the raising and lowering. Counterweights are used, for example, in cable-hauled elevators and some kinds of movable bridges (e.g. a bascule bridge).

(transitive) To fit with a counterweight.

(law) A second signature added to a document to affirm the validity of the signature of the first person. / The response to a sign or signal.

(transitive) To sign on the opposite side of (a document). / (transitive, by extension) To add a second signature to a document, affirming the validity of the signature of another person.

(informal) A long way, a great distance.

(idiomatic) A person who has an obsession with the minutiae of their particular interest, especially in military and technology history. Anyone preoccupied with small distinguishing features between different items.

Measures intended to combat or reduce terrorist activities.