How to Spell ninth

ninth

ninth - noun

  • One that is number nine in a series
  • {dx}see {dxt|Table of Numbers|number|table}{/dx}
  • One of nine equal parts of something
  • A musical interval embracing an octave and a second
Source: Merriam-Webster Dictionary API
"They're leaving on the ninth."

Etymology

Old English

Word family

nine, nineteen, ninety