Lunch; a polite term for the midday meal, usually eaten around noon.
毎日お昼に弁当を食べます。
I eat a bento for lunch every day.
今日はお昼を外で食べましょう。
Let's eat lunch outside today.
お昼休みに図書館で勉強した。
I studied in the library during the lunch break.
Noon; midday. A polite way to refer to the middle of the day.
時計を見るとお昼の12時だった。
When I looked at the clock, it was noon (12:00).
夏はお昼の陽ざしが強い。
In summer the midday sun is strong.
会議はお昼に終了した。
The meeting ended at midday.
Daytime; during the day. A polite expression referring to things occurring in daylight hours.
お昼は犬の散歩をします。
I walk the dog during the daytime.
このサービスはお昼の時間帯によく利用される。
This service is often used during the daytime/lunch hours.
お昼の間は窓を開けて換気してください。
Please ventilate by opening the windows during the day.
Waking up; getting up — an honorific/old-fashioned expression. Rarely used in modern Japanese.
古い日記に『殿はお昼になり給うた』と記されていた。
An old diary recorded, 'The lord has risen (woken).' (archaic/honorific usage)
この用法は文語や古典文学で見られ、お年寄りや身分の高い人への尊敬表現として使われた。
This usage appears in classical/written language and was used as an honorific for elders or high-status people.