The Collaborative International Dictionary of English v.0.48:

Swainmote \Swain"mote`\, n. [Swain + mote meeting: cf. LL.
   swanimotum.] (Eng. Forest Law)
   A court held before the verders of the forest as judges, by
   the steward of the court, thrice every year, the swains, or
   freeholders, within the forest composing the jury. [Written
   also swanimote, and sweinmote.] --Blackstone.
   [1913 Webster]