Source : Webster's Revised Unabridged Dictionary (1913)

Knoll \Knoll\, v. t. [imp. & p. p. {Knolled}; p. pr. & vb. n.
   {Knolling}.] [OE. knollen, AS. cnyllan. See {Knell}.]
   To ring, as a bell; to strike a knell upon; to toll; to
   proclaim, or summon, by ringing. ``Knolled to church.''
   --Shak.

         Heavy clocks knolling the drowsy hours.  --Tennyson.