Source : Webster's Revised Unabridged Dictionary (1913)

Imbrue \Im*brue"\, v. t. [imp. & p. p. {Imbureed}; p. pr. & vb.
   n. {Imbureing}.] [Cf. OF. embruer, also embruver, embreuver,
   embrever, to give to drink, soak (see pref. {En-}, 1, 1st
   {In-}, and {Breverage}), but also OE. enbrewen, enbrowen, to
   stain, soil (cf. {Brewis}).]
   To wet or moisten; to soak; to drench, especially in blood.

         While Darwen stream, will blood of Scots imbrued.
                                                  --Milton.