Source : Webster's Revised Unabridged Dictionary (1913)

Misle \Mi"sle\, v. i. [imp. & p. p. {Misled}; p. pr. & vb. n.
   {Misling}.] [Prop. mistle, fr. mist. Cf. {Mistle}, {Mizzle}.]
   To rain in very fine drops, like a thick mist; to mizzle.