a.p.

1. additional premium.
2. author’s proof.

1. adjective phrase.
2. Trademark. Advanced Placement Program.
3. Air Police.
4. American plan.
5. antipersonnel.

abbreviation for

1. obsolete (in prescriptions, etc) ante prandium

prefix

1. son of: occurring as part of some surnames of Welsh originap Thomas

abbreviation for

1. Air Police
2. Associated Press

abbreviation of Associated Press, first recorded 1879; the organization was founded May 1848 as co-operative news gathering effort among New York City newspaper publishers covering the war with Mexico.