Scrabble Dictionary

Check if your word is playable in Scrabble.

Yes, octave is playable

...and is worth 13 points.

Found in the following dictionaries

Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Octave" Definition

noun

A group of eight lines of poetry, especially the first eight lines of a Petrarchan sonnet. Also called octet.
A group or series of eight.
A poem or stanza containing eight lines.
Ecclesiastical The eighth day after a feast day, counting the feast day as one.
Ecclesiastical The entire period between a feast day and the eighth day following it.