Source : Webster's Revised Unabridged Dictionary (1913)

Slaver \Slav"er\, n.
   Saliva driveling from the mouth.

         Of all mad creatures, if the learned are right, It is
         the slaver kills, and not the bite.      --Pope.

Slaver \Slav"er\, n.
   1. A vessel engaged in the slave trade; a slave ship.

   2. A person engaged in the purchase and sale of slaves; a
      slave merchant, or slave trader.

            The slaver's hand was on the latch, He seemed in
            haste to go.                          --Longfellow.

Slaver \Slav"er\, v. i. [imp. & p. p. {Slavered}; p. pr. & vb.
   n. {Slavering}.] [Cf. Icel. slafra. See {Slabber}.]
   1. To suffer spittle, etc., to run from the mouth.

   2. To be besmeared with saliva. --Shak.

Slaver \Slav"er\, v. t.
   To smear with saliva issuing from the mouth; to defile with
   drivel; to slabber.

Source : WordNet®

slaver
     n 1: a person engaged in slave trade [syn: {slave dealer}, {slave
          trader}]
     2: someone who owns slaves [syn: {slaveholder}, {slave owner}]
     v : let saliva drivel from the mouth; "The baby drooled" [syn: {drivel},
          {drool}, {slabber}, {slobber}, {dribble}]