Definition of quadrantally in English:

quadrantally

Pronunciation /kwɒˈdrant(ə)li/ /kwɒˈdrantəli/ /kwəˈdrantəli/

adverb

  • In a quadrantal arrangement; with reference to quadrants.

Origin

Mid 19th century; earliest use found in John William Draper (1811–1882), chemist and historian. From quadrantal + -ly.