Meridian
WordNet
adjective
(1) Being at the best stage of development
"Our manhood's prime vigor"- Robert Browning
(2) Of or happening at noon
"Meridian hour"
noun
(3) 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"
(4) A town in eastern Mississippi
(5) The highest level or degree attainable; the highest stage of development
"His landscapes were deemed the acme of beauty"
"The artist's gifts are at their acme"
"At the height of her career"
"The peak of perfection"
"Summer was at its peak"
"...catapulted Einstein to the pinnacle of fame"
"The summit of his ambition"
"So many highest superlatives achieved by man"
"At the top of his profession"
WiktionaryText
Etymology
From < < < , orig. } < + .
Noun
- An imaginary great circle on the Earth's surface, passing through the geographic poles.
- Either half of such a great circle, all points of which have the same longitude.
- A great circle passing through the poles of the celestial sphere and the zenith for a particular observer.
- A similar line on any general surface of revolution.
- Any of the longitudinal pathways on the body along which the acupuncture points are distributed.
- The highest point or state of consciousness and enlightenment achievable by a human.
Adjective
meridian
- Meridional; relating to a meridian.
- Relating to noon