The Collaborative International Dictionary of English v.0.48:

Bedaub \Be*daub"\, v. t. [imp. & p. p. Bedaubed (?); p. pr. &
   vb. n. Bedaubing.]
   To daub over; to besmear or soil with anything thick and
   dirty.
   [1913 Webster]

         Bedaub foul designs with a fair varnish. --Barrow.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bedaub
    v 1: spread or daub (a surface) [syn: bedaub, besmear]