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English definition of “seventeenth”

seventeenth

ordinal number uk   /ˌsev.ənˈtiːnθ/ us  
17th written as a word: My mother's birthday is on the seventeenth (of June).Ordinal numbers

seventeenth

noun [C] uk   /ˌsev.ənˈtiːnθ/ us  
one of 17 equal parts of somethingFractions
(Definition of seventeenth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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