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English definition of “PA”

PA

noun uk   /ˌpiːˈeɪ/ us  

PA noun (JOB)

[C] UK abbreviation for personal assistant: someone whose job is helping someone in a higher position, especially by writing letters, arranging meetings, and making phone calls: Chris works as a PA to the managing director.

PA noun (SOUND EQUIPMENT)

[C usually singular] (also PA system) abbreviation for public address system (= equipment for making sound, especially someone's voice, louder in a public place): They've just announced on the PA that our flight's been delayed.

PA noun (medical)

[C] specialized medical abbreviation for pulmonary artery (= the artery that carries dexogygenated blood from the heart to the lungs)
(Definition of PA noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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