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familiar

noun [C]
 
 
/fəˈmɪl.i.ər/ US  /-jɚ/ old use

Definition

a close friend, or a spirit in the shape of a cat, bird, or other animal that is the close companion of a witchFriends, acquaintances and contemporariesSouls, spirits and ghosts
(Definition of familiar noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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