IPA: //ˈmɪd.deɪ//
KK: /mɪdˈdeɪ/
The time of day when the sun is at its highest point, usually around noon.
We usually have lunch at midday.
**Midday** → It is formed from "mid" (from Old English *mid*, meaning middle) and "day" (from Old English *dæg*, meaning day). The word "midday" refers to the middle of the day, typically around noon.
Think of the 'middle' ('mid') of the 'day' — that's why midday means the middle of the day.