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Language: Old English
Origin: non 'ninth hour from sunrise', from Latin nonus 'ninth'

noon

noun
     
Related topics: Chronology
noon [uncountable]
TMC 12 o'clock in the daytime [= midday]
at/before/by noon
We left home at noon.
He rarely gets up before noon.
We met at 12 noon.

➔ morning, noon, and night

at morning1 (5)

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