Meaning of noon in English
noon
noun [ U ]
UKvolume_up
/nuːn/
USvolume_up
/nuːn/
A2

twelve o'clock in the middle of the day, or about that time:

We used to ski before noon and then have a long lunch.

By noon, we had had ten phone calls.

noon
noun [ U ]
USvolume_up
/nun/

12 o’clock in the middle of the day; midday:

My first class is at noon.