Wiktionary
octavate
n. (context rare English) (l en octave) (qualifier: transfiguratively) vb. 1 (context music English) (l en sound Sound) one (l en octave) higher or lower. 2 # (context intransitive of an instrument English) (l en resonate Resonate) or sound one octave higher or lower. 3 # (context intransitive of a person English) (l en span Span) (at least) one octave in (l en play playing) a musical (l en instrument). 4 # {{context|transitive|rare|of an instrument|construed with ''(l en up)''|lang=en}} (l en double Double) the (l en pitch) of (a part of itself). 5 (context mathematics rare English) (l en convert Convert) (the (l en expression) of a (l en number)) from (l en denary) to (l en octal) (l en notation).