Definition of noon

• a. - No. See the Note under No.
• n. - The middle of the day; midday; the time when the sun is in the meridian; twelve o'clock in the daytime.
• n. - Hence, the highest point; culmination.
• a. - Belonging to midday; occurring at midday; meridional.
• v. i. - To take rest and refreshment at noon.