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English definition of “fob”

fob

noun [C]     /fɒb/ US  /fɑːb/
a piece of leather or other material to which a group of keys is fastened, or a chain or piece of material used, especially in the past, to fasten a watch to a man's waistcoat: a key fob a fob watchJewellery
(Definition of fob noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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