†(a) the south line on an astrolabe (obsolete); (b) = meridian, n. 2b 3a; a north–south line.
| 单词 | θ1744 |
| 释义 | the world > the earth > geodetic references > [noun] > meridian (10) meridional linec1392 †(a) the south line on an astrolabe (obsolete); (b) = meridian, n. 2b 3a; a north–south line. meridianc1400 (a) Astronomy. The great circle of the celestial sphere which passes through the celestial poles and the zenith of a given place on the earth's… midday line?a1439 = meridian line n. at meridian, adj. compounds. meridian circlec1550 = meridian, n. 3a 3b 3c. meridian line1559 = meridian, n. 2b 3a; a north–south line; (also) an actual line on the ground for indicating the course of a portion of a meridian. midday circle1559 a great circle; = meridian, n. 3. Subcategories:— arc of (1) — magnetic (1) — in the past (1) — state of being on or aligned with the meridian (1) |
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