dwarf in WordNet English dictionary

1. a plant or animal that is atypically small
   dwarf 
   
2. a person who is markedly small
   dwarf  midget  nanus 
   
3. a legendary creature resembling a tiny old man; lives in the depths of the earth and guards buried treasure
   gnome  dwarf 
   

1. check the growth of
   "the lack of sunlight dwarfed these pines"
   dwarf 
   
2. make appear small by comparison
   "This year's debt dwarfs that of last year"
   shadow  overshadow  dwarf