twelfth

 
Pronunciation: /twɛlfθ/

ordinal number

  • 1constituting number twelve in a sequence; 12th: the twelfth of November his twelfth birthday the twelfth in a series of essays
  • Music an interval or chord spanning an octave and a fifth in the diatonic scale, or a note separated from another by this interval.
  • (the Twelfth or the Glorious Twelfth) (in the UK) 12 August, the day on which the grouse-shooting season begins.
  • (the Twelfth) 12 July, celebrated by upholders of Protestant supremacy in Ireland as the anniversary of William III’s victory over James II at the Battle of the Boyne.
  • 2 (a twelfth/one twelfth) each of twelve equal parts into which something is or may be divided.

Derivatives

twelfthly

adverb

twelvefold

adjective & adverb

Spelling help

Remember that twelfth has an f in the middle.

go to the twelfth floor of the building.