Définitions
1.VerbTo sound one octave higher or lower.
To resonate or sound one octave higher or lower.
To span (at least) one octave in playing a musical instrument.
To double the pitch of (a part of itself).
2.VerbTo resonate or sound one octave higher or lower.
3.VerbTo span (at least) one octave in playing a musical instrument.
4.VerbTo double the pitch of (a part of itself).
5.VerbTo convert (the expression of a number) from denary to octal notation.
6.Nounoctave