Meaning of douzième

dou•zi•ème

Pronunciation: (d"zē-em' Fr. d-zyem'), [key]
— pl. -zi•èmes
  1. (in Swiss watchmaking) the 12th part of a ligne, used mainly to gauge the thickness of a movement.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.