Definition of am

 (Entry 1 of 5)

present tense first-person singular of be

Definition of Am (Entry 2 of 5)

America; American

Definition of Am (Entry 3 of 5)



noun, often attributive
\ ˈā-ˌem How to pronounce AM (audio) \

Definition of AM (Entry 4 of 5)

: a broadcasting system using amplitude modulation also : a radio receiver of such a system

Definition of AM (Entry 5 of 5)

1 airmail
2 air marshall
3 Air Medal
4 [Latin anno mundi] in the year of the world often printed in small capitals
5 or a.m. or British am ante meridiem
6 [New Latin artium magister] master of arts
7 associate member
8 chiefly British Assembly Member
9 Ave Maria

First Known Use of am


1939, in the meaning defined above

History and Etymology for am

Middle English, from Old English eom; akin to Old Norse em am, Latin sum, Greek eimi


amplitude modulation

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Cite this Entry

“Am.” Dictionary, Merriam-Webster, Accessed 11 Aug. 2020.

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More Definitions for am


How to pronounce AM (audio)

English Language Learners Definition of AM

: a system for sending radio signals in which the height of a radio wave is changed in order to send information in the form of sound


Kids Definition of am

present tense first person singular of be

Kids Definition of Am.

1 America
2 American
variants: or A.M.

Kids Definition of a.m.

before noon
Hint: The abbreviation a.m. is short for the Latin phrase ante meridiem, which means “before noon.”

Medical Definition of Am

 (Entry 1 of 2)


Medical Definition of AM (Entry 2 of 2)

1 [Latin ante meridiem] before noon
2 [Medieval Latin Artium Magister] master of arts

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More from Merriam-Webster on am

Rhyming Dictionary: Words that rhyme with am

Spanish Central: Translation of am

Nglish: Translation of am for Spanish Speakers

Britannica English: Translation of am for Arabic Speakers

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