What does "key signature" mean?

An indication of the key of a composition, giving the number of sharps or flats in the corresponding scale.

What is a synonym for "key signature"?

Common synonyms include: accent, accent mark, bar, cancel, character, custos.

noun

noun ·Rare ·Advanced level

Noun

1
An indication of the key of a composition, giving the number of sharps or flats in the corresponding scale.
"The key signatures of D major and b minor both have two sharps."
2
the sharps or flats that follow the clef and indicate the key wordnet

"The key signatures of D major and b minor both have two sharps."