oc|tave

oc|tave «OK tihv, -tayv», noun, adjective.

–n.

1. the interval between a musical tone and another tone having twice or half as many vibrations. From middle C to the C above it is an octave.

2. an eighth note above or below a given tone, having twice or half as many vibrations per second.

3. the series of tones, or of keys of an instrument, filling the interval between a tone and its octave.

4. the sounding together of a tone and its octave.

5. a group of eight.

6. a group of eight lines of poetry.

7. the first eight lines of a sonnet.

8. a church festival and the week after it.

9. the last day of such a week.

10. the eighth in a series of eight parries in fencing.

–adj.

1. consisting of eight (of anything).

2. producing notes one octave higher: »

an octave flute (piccolo), the octave stop of an organ.

╂[< Latin octāvus eighth < octō eight]