Pa
WordNet
noun
(1) An electronic amplification system used as a communication system in public areas
(2) A Mid-Atlantic state; one of the original 13 colonies
(3) An informal term for a father; probably derived from baby talk
(4) A unit of pressure equal to one newton per square meter
(5) A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
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