mid ‧ day /ˌmɪdˈdeɪ◂ $ ˈmɪd-deɪ/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ day , ↑ midday ; adverb : ↑ daily ; adjective : ↑ daily ]
the middle of the day, at or around 12 o'clock ⇨ midnight
at/around/by etc midday
I’m meeting him at midday.
I got there around midday.
By midday it had begun to warm up.
We stopped off in Colchester for our midday meal.
the full heat of the midday sun