er Definition in the Cambridge English Dictionary

Definition of “er” - English Dictionary

"ER" in American English

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ERnoun [C]

abbreviation for emergency room (= the ​place in a ​hospital for ​people who need ​immediatemedicalcare): You should go to the ER if you have ​chestpains.
(Definition of ER from the Cambridge Academic Content Dictionary © Cambridge University Press)

"er" in British English

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uk   /ɜːr/  us   /ɝː/
the ​sound that ​people often make when they ​pause in the ​middle of what they are saying or ​pause before they ​speak, often because they are ​deciding what to say: "What ​time shall we ​meet this ​evening?" "Er, eight-ish?" "Is he ​handsome?" "Er, well - he's got a ​nicefriendlysort of ​face, though he's not ​exactlyhandsome."


uk   /r/  us   //

er suffix (PERFORMER)

(also -or) added to some ​verbs to ​formnouns that refer to ​people or things that do that ​particularactivity: a ​singer (= a ​person who ​sings) a ​swimmer (= a ​person who ​swims) a ​dishwasher (= a ​machine or ​person that ​washesdishes) an ​actor (= a ​person who ​acts)

er suffix (SPECIALIST)

added to the ​names of ​particularsubjects to ​formnouns that refer to ​people who have ​knowledge about or are ​studying that ​subject: a ​philosopher (= a ​person who ​knows about/​studiesphilosophy) an ​astronomer (= a ​person who ​knows about/​studiesastronomy)

er suffix (FROM A PLACE)

added to the ​names of ​particularplaces to ​formnouns referring to ​people who come from those ​places: a ​Londoner (= a ​person who comes from London) a ​northerner (= a ​person who comes from the ​north)

er suffix (INVOLVED WITH)

added to ​nouns or ​adjectives to ​formnouns referring to ​people who are ​connected or ​involved with that ​particular thing: a ​pensioner (= a ​person who ​receives a pension) first graders (= ​children who are in the first grade of an American ​school)


added to ​nouns to ​formnouns or ​adjectives referring to ​people or things that have those ​particularcharacteristics: a ​double-decker (= a ​bus with two decks) a big-spender (= someone who ​spends a lot of ​money)

ERnoun [C usually singular]

uk   /ˌiːˈɑːr/  us   /-ˈɑːr/

er noun [C usually singular] (HOSPITAL)

US abbreviation for emergency room

er noun [C usually singular] (THE QUEEN)

abbreviation for Elizabeth Regina: Queen Elizabeth II
(Definition of er from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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