Noon

n. [A-S. nôn, D. noen, Scot. none, from Lat. nona (sc. hora), the ninth hour, which, among the Romans, was the time of eating the chief meal; this hour was three o’clock, P. M. In Danish, noone is a collation.]

1. The middle of the day; midday; the time when the sun is in the meridian; twelve o’clock.
2. Hence, the time of greatest brilliancy.

In the very noon of that brilliant life which was destined to be so soon, and so fatally, overshadowed. Moley. Noon of night, midnight. Byron.