Definition of meridian quadrant in English:

meridian quadrant

Pronunciation /mɪˌrɪdɪən ˈkwɒdr(ə)nt/

noun

  • 1Astronomy
    historical A quadrant fixed to a wall lying in the plane of the meridian; a mural quadrant. Compare "mural".

  • 2The distance from the north pole to the equator along a meridian (being a quarter of the earth's circumference).

Origin

Late 18th century; earliest use found in Philosophical Transactions of the Royal Society of London. From meridian + quadrant, after post-classical Latin quadrans meridianus.