Definition, Meaning & Synonyms

octant

noun

/ˈɒk.tənt/

Definition

An eighth part of a circle or a three-dimensional space, often used in nautical or mathematical contexts.

Examples

The octant is a crucial tool for sailors to determine their position while navigating at sea.
In geometry, each octant is defined by the signs of the coordinates within a three-dimensional space.
Using an octant, the surveyor was able to measure the angles accurately.

Meaning

In mathematics, an octant refers to one of the eight sections of a three-dimensional coordinate system. In navigation, it can refer to a device used for measuring angles, or the area being measured.