Noon \Noon\, a. Belonging to midday; occurring at midday; meridional. --Young.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Noon \Noon\, v. i. To take rest and refreshment at noon.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Noon \Noon\, a. No. See the Note under No. [Obs.]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Noon \Noon\, n. [AS. n?n, orig., the ninth hour, fr. L. nona (sc. hora) the ninth hour, then applied to the church services (called nones) at that hour, the time of which was afterwards changed to noon. See Nine, and cf. Nones, Nunchion.]

1. The middle of the day; midday; the time when the sun is in the meridian; twelve o'clock in the daytime.

2. Hence, the highest point; culmination.

In the very noon of that brilliant life which was destined to be so soon, and so fatally, overshadowed. --Motley.

High noon, the exact meridian; midday.

Noon of night, midnight. [Poetic] --Dryden.

Source: Webster's Revised Unabridged Dictionary (1913)