Definition of twelfth:
common denominator, one-twelfth, fifteenth, eleventh, twelfth part, duodecimal, fortieth, billionth, fourteenth, fourth, 12th, ordinal, and, denominator, common fraction, duodecimal, fiftieth.
In the centre the Twelfth Corps, under General Slocum, covered Chancellorsville.- "Stonewall Jackson And The American Civil War", G. F. R. Henderson.
My son, sir, he added, as a boy, in his twelfth year, came in.- "Ten Nights in a Bar Room", T. S. Arthur.
Thorpe descended at Twelfth Street in Chicago without any very clear notion of where he was going.- "The Blazed Trail", Stewart Edward White.