Definition of "tres" []

• An abbreviation of tierces.

The Century Dictionary (Public Domain)

• "You see, these days I have been, what the French would call tres bored with my life."
• "In her youth she was delicate, and what the French call tres personelle; and this prevented her going through the mill of rivalry and criticism which had been the daily bread of my girlhood."
• "Et horum alii sentiunt, quod singulae personae in singulis essentiis aequali sint potestate, sapientia, majestate, et gloria: sicut alias tres numero differentes homines, ratione essentiae suae, sunt a se invicem disjuncti et separati."