/ˈɒktænd/ (OK-tand)

Definitions

1. noun

One of the eight main sections of the celestial sphere, especially as used in navigation.

“The navigator used her octant to measure the angle between the sun and the horizon.”

2. noun

An eight-sided geometric figure.

“The mathematician studied the properties of an octant and its symmetries.”

3. verb

To divide or direct something into eight parts or sections.

“The engineer octanted the complex system to improve its efficiency.”