Webster's English Dictionary

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zoology

zo.ol.o.gy \-je-\ n [NL zoologia, fr. zo- + -logia -logy] 1: a science that 
   deals with animals and is the branch of biology concerned  with the animal 
   kingdom and its members as individuals and classes and with animal life 2: 
   a treatise on zoology  3a: animal life (as of a region) : FAUNA  3b: the 
   properties and vital phenomena exhibited by an animal, animal type,  or 
   group