pa
Longman Dictionary of Contemporary English 5++LDOCE 5++pa /pɑː/ noun [countable] old-fashioned informalFATHER father – used by children or when speaking to children 爸爸〔儿语〕p.a.TMCthe written abbreviation of per annum / per annum 的书面缩写 ，每年PA /ˌpiː ˈeɪ/ noun [countable] 1. [usually singular]TCAP (public address system) electronic equipment that makes someone’s voice loud enough to be heard by large groups of people 有线广播系统；扩音系统2. British EnglishBBO (personal assistant) someone who works as a secretary for one person 私人秘书
Examples from the Corpus
PA• He once had the impossible job of being PA to Ted Heath in sulphurous exile.• The songs are allowed a life of their own and, dodgy PA permitting, it works splendidly.• Plus, the excellent PA won't give you hearing loss.• Another announcement emerged from the PA system, sending more passengers to the gates to have their tickets punched.• Two players dance to the rap music coming over the PA system.• There was a hiss over the PA, followed by the chirruping of recorded birdsong.From Longman Business DictionaryPAPAJOB abbreviation for PERSONAL ASSISTANT; public address systempapa written abbreviation for PER ANNUMOrigin pa (1800-1900) papa Business children or used Corpus when by father – to speaking
PA
PA /ˌpiː ˈeɪ/ 
noun [countable]
1. [usually singular] (public address system) electronic equipment that makes someone’s voice loud enough to be heard by large groups of people
2. British English (personal assistant) someone who works as a secretary for one person
Penn‧syl‧va‧ni‧a /ˌpensəlˈveɪniə◂, -sɪl-/ written abbreviation, PA
a state in the northeastern US, known for producing large amounts of steel and coal. It was one of the 13 original US states, and was an important centre in the fight to become independent from Britain during the American Revolutionary War. ⇨ Penn, William
ˈPress Associˌation, the abbreviation, PA
the main UK news agency (=an organization that collects news and supplies it to newspapers, radio, and television). As well as news, the Press Association also supplies sports and business reports and information about the weather.
| I |
noun [countable]1. [usually singular] (public address system) electronic equipment that makes someone’s voice loud enough to be heard by large groups of people
2. British English (personal assistant) someone who works as a secretary for one person
| II |
written abbreviation, PAa state in the northeastern US, known for producing large amounts of steel and coal. It was one of the 13 original US states, and was an important centre in the fight to become independent from Britain during the American Revolutionary War. ⇨ Penn, William
| III |
abbreviation, PAthe main UK news agency (=an organization that collects news and supplies it to newspapers, radio, and television). As well as news, the Press Association also supplies sports and business reports and information about the weather.
pa
pa /pɑː/ noun [countable]
pa /pɑː/
noun [countable] Date: 1800-1900
Origin: papa
old-fashioned informal father – used by children or when speaking to children
Origin: papa
especially