The present publication is an up-to-date, authentic and comprehensive dictionary of zoology, which recognizes that zoology is a field in its own right, with its own language, and that terms and their definitions are important for professionals and students of zoology. It aims to provide clear, concise, and correct definitions and descriptions of the terms used in zoology. The terminology of all the branches of zoology are included in this work. This work is designed to be a comprehensive reference tool for scientists, teachers, researchers, students and laymen interested in zoology. It is earnestly hoped that it will be an authoritative source to which one can turn with confidence for meaning and knowledge of the common, specialized and latest terms in zoology and allied fields.