Definition - Pa

Below is the definition for the word you requested, to find more definitions please use the dictionary page.

an electronic amplification system used as a communication system in public areas
a Mid-Atlantic state; one of the original 13 colonies
an informal term for a father; probably derived from baby talk
a unit of pressure equal to one newton per square meter
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
A shortened form of Papa.