twelfth

twelfth

[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.