The Collaborative International Dictionary of English v.0.48:

Wyn \Wyn\, Wynn \Wynn\, n. Also Wen \Wen\ [AS. w[=e]n.]
   One of the runes (?) adopted into the Anglo-Saxon, or Old
   English, alphabet. It had the value of modern English w, and
   was replaced from about a. d. 1280 at first by uu, later by
   w.

The Collaborative International Dictionary of English v.0.48:

Wynn \Wynn\, n.
   A kind of timber truck, or carriage.
   [1913 Webster]