[ˈɔttava]

Definitions

1. noun

The eighth note in a pattern of seven notes in music, typically used in sonatas and other classical compositions.

“The composer chose to emphasize the ottava in the final movement.”

2. noun

A musical term referring to a doubling of the pitch in vocal music, especially in the Baroque period.

“The soprano’s ottava added a rich depth to the chorus.”

3. noun

A device in some types of musical instruments, such as the pipe organ, that doubles the pitch.

“The ottava mechanism on the organ added a unique timbre to the music.”