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A major

American  
[ay may-jer] / ˈeɪ ˈmeɪ dʒər /

noun

  1. Music. the key that has A as the tonic or first note of its scale and is represented by a key signature having three sharps.


Example Sentences

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A major consumer-electronics company, or even a healthcare company, might find it cheaper and faster to take over Oura than to start from scratch.

From MarketWatch ● Sep. 28, 2026

A major incident has been declared and homes have been evacuated in a village near an RAF base which hosts the United States Air Force.

From BBC ● Sep. 27, 2026

A major search was carried out in the village of Brantham after the toddler went missing on 15 September.

From BBC ● Sep. 25, 2026

A major Atlantic Ocean circulation system that plays a central role in regulating Earth's climate has been weakening across a broad region for nearly two decades, according to new research.

From Science Daily ● Sep. 23, 2026

A major has three sharps: F sharp, C sharp and G sharp.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones

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