The Collaborative International Dictionary of English v.0.48:

Triste \Triste\, n.
   A cattle fair. [Prov. Eng.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Trist \Trist\, v. t. & i. [imp. Triste.]
   To trust. [Obs.] --Chaucer.
   [1913 Webster]