quadrant

English Thesaurus

1. a measuring instrument for measuring altitude of heavenly bodies (noun.artifact)

hypernym	:	measuring device, measuring instrument, measuring system,
definition	:	instrument that shows the extent or amount or quantity or degree of something (noun.artifact)

2. the area enclosed by two perpendicular radii of a circle (noun.location)

hypernym	:	area, country, area, country,
definition	:	a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) (noun.location)

3. a quarter of the circumference of a circle (noun.location)

hypernym	:	line,
definition	:	a spatial location defined by a real or imaginary unidimensional extent (noun.location)