WordWeb Online

1. A small natural hill
   - mound, hillock, hummock, hammock
    
2. [archaic] The sound of a bell rung slowly to announce a death or a funeral or the end of something
   - knell

1. Ring as in announcing death
   - knell
    
2. Make (bells) ring, often for the purposes of musical edification
   "knoll the bells";
   - ring, knell

Derived forms: knolled, knolling, knolls

Type of: bell, hill, peal, ring, sound, toll

Encyclopedia: Knoll, Thomas