The Collaborative International Dictionary of English v.0.48:

Belute \Be*lute"\ (b[-e]*l[=u]t"), v. t. [imp. & p. p.
   Beluted; p. pr. & vb. n. Beluting.] [Pref. be- + L. lutum
   mud.]
   To bespatter, as with mud. [R.] --Sterne.
   [1913 Webster]