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

gila monster \gi"la mon"ster\ zool.
   a large tuberculated lizard heloderma suspectum native of
   the dry plains of arizona, new mexico, etc. it is the only
   lizard known to have venomous teeth.
   1913 webster
see also:
heloderma suspectum 

[2] : WordNet (r) 2.0

gila monster
     n : large orange and black lizard of southwestern united states;
         not dangerous unless molested syn: heloderma suspectum
see also:
heloderma suspectum 

Gila Monster >> G Words
Gila Monster, definition of term: Gila Monster
gila+monster_pag1.html

Gila >> G Words
Gila, definition of term: Gila
gila_pag1.html

Monster >> M Words
Monster, definition of term: Monster
monster_pag1.html

Sea Monster >> S Words
Sea Monster, definition of term: Sea Monster
sea+monster_pag1.html