Source : Webster's Revised Unabridged Dictionary (1913)

Weet \Weet\, a. & n.
   Wet. [Obs.] --Chaucer.

Weet \Weet\, v. i. [imp. {Wot}.] [See {Wit} to know.]
   To know; to wit. [Obs.] --Tyndale. Spenser.