Definition of Octave

1. Noun. A feast day and the seven days following it.

2. Noun. A musical interval of eight tones.
Exact synonyms: Musical Octave
Generic synonyms: Interval, Musical Interval

3. Noun. A rhythmic group of eight lines of verse.
Generic synonyms: Stanza

Definition of Octave

1. n. The eighth day after a church festival, the festival day being included; also, the week following a church festival.

2. a. Consisting of eight; eight.

Definition of Octave

1. Noun. (music) An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch. ¹

2. Noun. (music) The pitch an octave higher than a given pitch. ¹

3. Noun. (poetry) A poetic stanza consisting of eight lines; usually used as one part of a sonnet. ¹

4. Noun. (fencing) The eighth defensive position, with the sword hand held at waist height, and the tip of the sword out straight at knee level. ¹

5. Noun. (Christianity) The day that is one week after a feast day in the Latin Rite of the Catholic Church. ¹

6. Noun. (Christianity) An eight day period beginning on a feast day in the Latin Rite of the Catholic Church. ¹

7. Adjective. (obsolete) Consisting of eight; eight in number. ¹

¹ Source:

Definition of Octave

1. a type of musical interval [n -S] : OCTAVAL [adj]

Octave Pictures

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Lexicographical Neighbors of Octave

octatonic scale
octatonic scales
octatriacontanoic acid
octave (current term)

Literary usage of Octave

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Catholic Encyclopedia: An International Work of Reference on the by Charles George Herbermann (1913)
"However, the octave day, without having the symbolic importance of the seventh day, had also its rôle. The eighth day was the day of circumcision (Gen., ..."

2. Philosophical Transactions by Royal Society (Great Britain) (1788)
"This quarter may be divided again into a higher octave, ... note of that octave, or to the whole firing; and as the length of the firing ..."

3. Elson's Music Dictionary: Containing the Definition and Pronunciation of by Louis Charles Elson (1905)
"Four-lined octave. In many cases, however, the lines are made horizontal instead of vertical, thus, с, ё, etc., and sometimes the ..."

4. Scientific Papers by John William Strutt Rayleigh (1899)
"octave from Tuning-forks. When a vibrating fork is held over an air-resonator in tune with itself, the sound emitted is very approximately a pure tone; ..."

5. Modern Music and Musicians by Louis Charles Elson (1918)
"THE octave STACCATO BY XAVER SCHARWENKA Positive and Negative Staccato—Position and Attack in Each —Production of the octave Staccato—Development of the ..."

6. Nature by Norman Lockyer (1878)
"The fifth and fourth divide the vibrations of the octave equally between them, ... The octave is not an eighth, but half, and the double octave is not a ..."

7. The Catholic Encyclopedia: An International Work of Reference on the by Charles George Herbermann (1913)
"However, it must be said that the first Christian octave known to history is the dedication of the Churches of Tyre and Jerusalem, under Constantino, ..."

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