OCTANT


Meaning of OCTANT in English

n.

Pronunciation: ' äk-t ə nt

Function: 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 Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.