NOONDAY
noon, twelve noon, high noon, midday, noonday, noontide
(noun) the middle of the day
Source: WordNet® 3.1
Etymology
Noun
noonday (countable and uncountable, plural noondays)
The time of noon; the time of day when the sun is highest in the sky, especially on a hot day.
(figurative) The time of greatest prosperity.
Synonyms
• (time of noon): midday, noon, noontime; see also midday
Source: Wiktionary
Noon"day`, n.
Definition: Midday; twelve o'clock in the day; noon.
Noon"day`, a.
Definition: Of or pertaining to midday; meridional; as, the noonday heat.
"Noonday walks." Addison.
Source: Webster’s Unabridged Dictionary 1913 Edition