You can find definition of pa below. Words can have several meanings depending on the context. Their meaning may vary depending on where they are used. Please choose approriate definition according to part of speech and context. We have found 5 different definitions of pa. pa is a 2 letter word. It starts with p and ends with a.
an informal term for a father; probably derived from baby talk
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
a unit of pressure equal to one newton per square meter
a Mid-Atlantic state; one of the original 13 colonies
an electronic amplification system used as a communication system in public areas