Main Entry:

ninth

Pronunciation:

\ˈnīn(t)th\

Function:

noun

Inflected Form(s):

plural ninths \ˈnīn(t)s, ˈnīn(t)ths\

Date:

13th century

1 — see number table2 a: a musical interval embracing an octave and a second b: the tone at this interval c: a chord containing a ninth

— ninth adjective or adverb