D defs.my
Entry 2 senses Webster, 1913

Befoul

· Be·foul · IPA /bɪˈfaʊl/
01 v. t. To make foul; to soil.
imp. & p. p. Befouled; p. pr. & vb. n. Befouling
  1. 1.
    To make foul; to soil.
  2. 2.
    To entangle or run against so as to impede motion.