ram in WordNet English dictionary

1. crowd or pack to capacity
   "the theater was jampacked"
   jam  jampack  ram  chock up  cram  wad 
   
2. undergo damage or destruction on impact
   "the plane crashed into the ocean"; "The car crashed into the lamp post"
   crash  ram 
   
3. force into or from an action or state, either physically or metaphorically
   "She rammed her mind into focus"; "He drives me mad"
   force  drive  ram 
   
4. strike or drive against with a heavy impact
   "ram the gate with a sledgehammer"; "pound on the door"
   ram  ram down  pound 
   

1. uncastrated adult male sheep
   "a British term is `tup'"
   ram  tup 
   
2. a tool for driving or forcing something by impact
   ram