1twelfth /ˈtwɛlfθ/ noun
plural twelfths 1 [singular] : number 12 in a series
▪ I come home on the twelfth. [=the twelfth day of the month] 2 [count] : one of 12 equal parts of something
▪ a twelfth of the population
▪ I come home on the twelfth. [=the twelfth day of the month]
▪ a twelfth of the population
