D defs.my
Entry 4 senses · 2 variants Webster, 1913

Ninth

/nīnth/ · IPA /naɪnθ/
01 a. Following the eight and preceding the tenth; coming after eight others.
  1. 1.
    Following the eight and preceding the tenth; coming after eight others.
  2. 2.
    Constituting or being one of nine equal parts into which anything is divided.
02 n. The quotient of one divided by nine; one of nine equal parts of a thing; the next after the eighth.
  1. 1.
    The quotient of one divided by nine; one of nine equal parts of a thing; the next after the eighth.
  2. 2.
    An interval containing an octave and a second.(Mus.)