[ twelfth ]
/ twɛlfθ /


next after the eleventh; being the ordinal number for 12.
being one of 12 equal parts.


a twelfth part, especially of one (1/12).
the twelfth member of a series.

Origin of twelfth

before 900; Middle English twelfthe, twelfte, Old English twelfta, equivalent to twelf twelve + -ta -th2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for twelfth

British Dictionary definitions for twelfth

/ (twɛlfθ) /


(usually prenominal)
  1. coming after the eleventh in number or counting order, position, time, etc; being the ordinal number of twelve: often written 12th
  2. (as noun)the twelfth of the month


  1. one of 12 equal or nearly equal parts of an object, quantity, measurement, etc
  2. (as modifier)a twelfth part
the fraction equal to one divided by 12 (1/12)
  1. an interval of one octave plus a fifth
  2. one of two notes constituting such an interval in relation to the other
  3. an organ stop sounding a note one octave and a fifth higher than that normally produced by the key depressed

Word Origin for twelfth

from Old English twelfta
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012