Form of octa- or octo- used before a vowel.

(music) A woodwind musical instrument that is closed at both sides to produce an enclosed space, and punctured with finger holes.

A group or set of eight of something. / (music) A group of eight musicians performing together. / (music) A composition for such a group of musicians. / (computing) A byte of eight bits. Abbreviation: o

The part of the horizon where the sun last appears in the evening; that part of the earth towards the sunset; the west. / The Western world; the part of the world excluding Asia

Of, pertaining to, or situated in, the occident, or west; western. / Of a gem or precious stone: of inferior value or quality.

A Western Christian of the Latin rite

A favorable opportunity; a convenient or timely chance. / The time when something happens. / An occurrence or state of affairs which causes some event or reaction; a motive or reason.

(transitive) To cause; to produce; to induce

(music) An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch frequency. / (music) The pitch an octave higher than a given pitch.

Alternative form of octavate