Octant is a 6 letter English word. It's valid Scrabble word worth 8 points. It's valid Words with friends word worth 10 points.
You can make 76 anagrams from letters in octant (acnott).
1680-90; Latin octant- (stem of octāns); see Octans
It is the sextant or some member of the sextant family - such as the quadrant, octant, etc.
octant made of dark wood and with lignum vitae; brass fittings.
Excluded, of course, are those instruments normally made of wood, such as the octant and the mariners quadrant.
Thus fig. 59 conveniently represents an octant of the wave surface, which cuts each coordinate plane in a circle and an ellipse.
The flat bar which carries the nonius scale and index-glass of a quadrant, octant, quintant, or sextant.
A third staff (or an octant) was fixed at the end of the horizon-staff, and upon it the angle observed could be read off.
It was in its octant, and showed a crescent finely traced on the dark background of the sky.