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red-letter day

noun [C usually singular]  
How to pronounce red-letter day noun in British English
How to pronounce red-letter day noun in American English
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(Pronunciation of red-letter day noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Translations of “red-letter day”

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a skilled and trained cook who works in a hotel or restaurant, especially the most important cook

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