noon

noon /nuːn/ BrE AmE noun [uncountable]
[Language: Old English; Origin: non 'ninth hour from sunrise', from Latin nonus 'ninth']
12 o'clock in the daytime SYN midday
at/before/by noon
We left home at noon.
He rarely gets up before noon.
We met at 12 noon.

Oxford Advanced Learner's Dictionary

noon

noon [noon noons] [nuːn] [nuːn] noun uncountable
12 o'clock in the middle of the day
Syn: midday
• We should be there by noon.
• The conference opens at 12 noon on Saturday.
• the noon deadline for the end of hostilities
• I'm leaving on the noon train.
• the glaring light of high noon
see morning, noon and night at morning
Word Origin:
Old English nōn ‘the ninth hour from sunrise, i.e. approximately 3 p.m.’, from Latin nona (hora) ‘ninth hour’.
Example Bank:
• the glaring light of high noon
• I'm leaving on the noon train.

• We arrived at high noon.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition

noon / nuːn / noun [ U ]

A2 twelve o'clock in the middle of the day, or about that time:

We used to ski before noon then take a long lunch.

By noon, we had had ten phone calls.

Collins COBUILD Advanced Learner’s English Dictionary

noon

/nu:n/

1.
Noon is twelve o’clock in the middle of the day.
The long day of meetings started at noon...
Our branches are open from 9am to 5pm during the week and until 12 noon on Saturdays.
= midday
N-UNCOUNT: oft prep N
see also high noon

2.
Noon means happening or appearing in the middle part of the day.
The noon sun was fierce...
He expected the transfer to go through by today’s noon deadline.
= midday
ADJ: ADJ n

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary:

noon

noon /ˈnuːn/ noun [noncount] : the middle of the day : 12 o'clock in the daytime
• Meet me at/around noon.
• half past noon
• The party will take place from noon to 4 p.m.
• He showed up at precisely 12 noon.
- often used before another noun
• the noon meal/hour
• the hot noon sun