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English definition of “whatchamacallit”


noun [C]     /ˈwɒtʃ.ə.məˌkɔːl.ɪt/ US  /ˈwɑː.tʃə.məˌkɑː.lɪt/ informal
used when you are speaking about something or someone whose name you can not remember : I need a - a whatchamacallit - one of those things that you can caramelize sugar with.Names and titles
(Definition of whatchamacallit noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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