1. 
   Crotalidae
   [n] - New World vipers: pit vipers
   Found op http://www.webdictionary.co.uk/definition.php?query=Crotalidae
   
   
2. 
   Crotalidae
   <herpetology> A family of New World vipers characterised by the presence of a heat-sensitive loreal pit between each eye and nostril, and folding, caniculated, long anterior fangs. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?Crotalidae
   
   
3. 
   Crotalidae
   family Crotalidae noun New World vipers: pit vipers
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=Crotalidae
   
   
4. 
   Crotalidae
   Crotalidae is the 'Pit Vipers' sub-family of reptiles of the sub-order Serpentes (Snakes) comprising some seven genera and 130 species native mainly to the Americas with some found in south and south-east Asia. The members have a large, often triangular head which is distinct from a robust body by a...
   Found op http://www.probertencyclopaedia.com/browse/BCA.HTM
   
   
5. 
   Crotalidae
   Type: Term Pronunciation: krō-tal′i-dē Definitions: 1. A family of New World vipers characterized by the presence of a heat-sensitive loreal pit between each eye and nostril, and folding, caniculated, long anterior fangs.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=21508
   
   
6. 
   crotalidae
   1) Crotalidae 2) Family crotalidae 3) New world vipers
   Found op pit vipers 4) Reptile family
   
   

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