meridian
[noun]
Synonyms: apex, acme, apogee, climax, comble, culmination, peak, pinnacle, summit, zenith

[TahlilGaran] English Synonym Dictionary ▲

me‧rid‧i‧an /məˈrɪdiən/ noun
[Date: 1300-1400; Language: Old French; Origin: Latin meridianus 'of the middle of the day', from medius 'middle' + dies 'day']

1. [countable] one of the imaginary lines from the North Pole to the South Pole, drawn on a map of the Earth

2. the meridian technical the highest point reached by the sun or another star, when seen from a point on the Earth’s surface

[TahlilGaran] Dictionary of Contemporary English ▲