Ds Definition

D¹
d
noun Ds, D's, d's

1. The fourth letter of the English alphabet.
2a. music.
The second note on the scale of C major;
Form: D
2b. music.
The musical key which has this note as its base.
Form: D
3. The fourth highest grade or quality, or the mark indicating this.

Form: D (usually)
4. The D-shaped mark on a billiards table.

Form: D

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dal segno
adverb

1. music.
An indication that the performer must go back to the sign &dalsegno;.

Etymology: 19c: Italian, meaning ‘from the sign'.

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DS
abbreviation

1. music.
Dal segno.