say it: pah
pa is a noun meaning "an informal term for a father; probably derived from baby talk". It carries 5 recorded senses.
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
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for pa come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.