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