[1] : The Collaborative International Dictionary of English v.0.48

cave \cave\ k=av, n. f. cave, l. cavus hollow, whence cavea
   cavity. cf. cage.
   1. a hollow place in the earth, either natural or artificial;
      a subterraneous cavity; a cavern; a den.
      1913 webster

   2. any hollow place, or part; a cavity. obs. "the cave of
      the ear." --bacon.
      1913 webster

   3. eng. politics a coalition or group of seceders from a
      political party, as from the liberal party in england in
      1866. see adullam, cave of, in the dictionary of noted
      names in fiction.
      webster 1913 suppl.

   cave bear zool., a very large fossil bear ursus
      spelaeus similar to the grizzly bear, but large;
      common in european caves.

   cave dweller, a savage of prehistoric times whose dwelling
      place was a cave. --tylor.

   cave hyena zool., a fossil hyena found abundanty in
      british caves, now usually regarded as a large variety of
      the living african spotted hyena.

   cave lion zool., a fossil lion found in the caves of
      europe, believed to be a large variety of the african
      lion.

   bone cave. see under bone.
      1913 webster
see also:
cage adullam cave of cave bear ursus spelaeus cave dweller 
cave hyena cave lion bone cave bone 

[2] : WordNet (r) 2.0

cave dweller
     n : someone who dwells in a cave syn: caveman, cave man, troglodyte
see also:
caveman cave man troglodyte 

Cave >> C Words
Cave, definition of term: Cave
cave_pag1.html

Dweller >> D Words
Dweller, definition of term: Dweller
dweller_pag1.html

Cave Bear >> C Words
Cave Bear, definition of term: Cave Bear
cave+bear_pag1.html

Cave Man >> C Words
Cave Man, definition of term: Cave Man
cave+man_pag1.html