The Collaborative International Dictionary of English v.0.48:

Drool \Drool\, v. i. [imp. & p. p. Drooled; p. pr. & vb. n.
   Drooling.] [Contr. fr. drivel.]
   To drivel, or drop saliva; as, the child drools.
   [1913 Webster]

         His mouth drooling with texts.           -- T. Parker.
   [1913 Webster]