I. PA /ˌpiː ˈeɪ/ BrE AmE noun [countable]
1 . [usually singular] (public address system) electronic equipment that makes someone’s voice loud enough to be heard by large groups of people
2 . British English (personal assistant) someone who works as a secretary for one person
II. Penn ‧ syl ‧ va ‧ ni ‧ a /ˌpens ə lˈveɪniə◂, -sɪl-/ BrE AmE written abbreviation , PA
a state in the northeastern US, known for producing large amounts of steel and coal. It was one of the 13 original US states, and was an important centre in the fight to become independent from Britain during the American Revolutionary War. ⇨ ↑ Penn, William
III. ˈPress Associˌation, the BrE AmE abbreviation , PA
the main UK ↑ news agency (=an organization that collects news and supplies it to newspapers, radio, and television) . As well as news, the Press Association also supplies sports and business reports and information about the weather.