meridians

1. the highest level or degree attainable; the highest stage of developmentExamples: "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"Synonyms: acme, elevation, height, meridian, peak, pinnacle, summit, superlative

2. a town in eastern MississippiSynonyms: Meridian

3. an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equatorExamples: "all points on the same meridian have the same longitude"Synonyms: line of longitude, meridian