[twe̱lfθ] ♦♦ twelfths
1) ORD The twelfth item in a series is the one that you count as number twelve. ...the twelfth anniversary of the April revolution. ...a twelfth-century church.
2) FRACTION A twelfth is one of twelve equal parts of something. She is entitled to a twelfth of the cash.
2twelfth adj : occupying the number 12 position in a series • the twelfth day in a row • finished in twelfth place
- twelfthadv • Our son finished twelfth in the race. • the twelfth best-selling book