Obs. rare–1. [a. OF. tristur, -teur, -tor (12th c. in Godef.), f. triste sad; L. type *tristōr-em: cf. F. hauteur.] Sadness, grief.
c. 1380. Sir Ferumb., 2373. Þe Amiral hem tolde with tristour by him how it is y-went.
