octave

oc·tave  (ktv, -tv)

n.

1. Music

a. The interval of eight diatonic degrees between two tones of the same name, the higher of which has twice as many vibrations per second as the lower.

b. A tone that is eight diatonic degrees above or below another given tone.

c. Two tones eight diatonic degrees apart that are sounded together.

d. The consonance that results when two tones eight diatonic degrees apart are sounded.

e. A series of tones included within this interval or the keys of an instrument that produce such a series.

f. An organ stop that produces tones an octave above those usually produced by the keys played.

g. The interval between any two frequencies having a ratio of 2 to 1.

2. Ecclesiastical

a. The eighth day after a feast day, counting the feast day as one.

b. The entire period between a feast day and the eighth day following it.

3. A group or series of eight.

4.

a. A group of eight lines of poetry, especially the first eight lines of a Petrarchan sonnet. Also called octet.

b. A poem or stanza containing eight lines.

5. Sports A rotating parry in fencing.

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[Middle English, eighth day after a feast day, from Old French, from Medieval Latin octva (dis), from Latin, feminine of octvus, eighth, from oct, eight; see okt(u) in Indo-European roots.]

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oc·taval (k-tvl, kt-vl) adj.

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octave

Noun

1.

a. the musical interval between the first note and the eighth note of a major or minor scale

b. the higher of these two notes

c. the series of notes filling this interval

2. Prosody a rhythmic group of eight lines of verse [Latin octo eight]

Thesaurus

Noun	1.	octave - a feast day and the seven days following it church festival, religious festival - a festival having religious significance
	2.	octave - a musical interval of eight tones musical octave musical interval, interval - the difference in pitch between two notes
	3.	octave - a rhythmic group of eight lines of verse stanza - a fixed number of lines of verse forming a unit of a poem

Translations

octave [ˈɔktɪv] n → octava

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octave [ˈɔktɪv] n → octave f

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octave [ˈɔktɪv] n → Oktave f

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octave [ˈɔktɪv] n → ottavo