1. Of or happening at noon
   "meridian hour"
    
2. Being at the best stage of development
   "our manhood's meridian vigour";
   - prime

1. An imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator
   "all points on the same meridian have the same longitude";
   - line of longitude
    
2. The highest level or degree attainable; the highest stage of development
   "his landscapes were deemed the meridian of beauty";
   - acme, height, elevation, peak, pinnacle, summit, superlative, tiptop, top

1. A town in eastern Mississippi

Derived forms: meridians

See also: mature

Type of: degree, great circle, level, phase, phasis, point, stage, town

Part of: Magnolia State, Miss., Mississippi, MS

Encyclopedia: Meridian, New York