ALL meanings of quadrantal
quad·rant
Q q - noun quadrantal An ancient Roman unit of measure for liquids. 1
- noun quadrantal a quarter of a circle; an arc of 90°. 1
- noun quadrantal the area included between such an arc and two radii drawn one to each extremity. 1
- noun quadrantal something shaped like a quarter of a circle, as a part of a machine. 1
- noun quadrantal Geometry, Astronomy. one of the four parts into which a plane, as the face of a heavenly body, is divided by two perpendicular lines, numbered counterclockwise from upper right: the first quadrant of the moon. 1
- noun quadrantal an instrument, usually containing a graduated arc of 90°, used in astronomy, navigation, etc., for measuring altitudes. 1
- noun quadrantal Astrology. one of the four quarters of the horoscope: determined by the ascendant, nadir, descendant, and midheaven and numbered counterclockwise from the ascendant. 1
- noun quadrantal Furniture. one of two metal sliding pieces, of quadrant form, used to support the fall front of a desk from above. 1