(espionage) A secret agent recruited by another agent, and having no direct contact with the agency.

The public land of Ancient Rome, usually acquired by expropriation from enemies of Rome.

(Scotland, law) A solicitor, certified by the Law Society of Scotland.

A neighbourhood of Pendlebury, Metropolitan Borough of Salford, Greater Manchester, England (OS grid ref SD8001).

(organic chemistry) Any of a group of brominated pyrrole-imidazole alkaloids present in some marine sponges

plural of principal-agent problem

The problem that a person or entity serving as an agent for another, and able to make decisions on the other's behalf, may be motivated instead to make decisions that benefit themselves.

(US, humorous) The National Security Agency.

(television) One whose profession is distressing a costume to make it look aged.

An artificial intelligence used at a university that simulates a pupil or learner, to help promote students' understanding of metacognitive skills.