Meaning of OCTANT in English

OCTANT

transcription, транскрипция: [ ˈäk-tənt ]

noun

Etymology: Latin octant-, octans eighth of a circle, from octo

Date: 1731

1. : an instrument for observing altitudes of a celestial body from a moving ship or aircraft

2. : any of the eight parts into which a space is divided by three coordinate planes

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.