- a sextant having an arc equal to one fifth of a circle.
Origin of quintant
1675–85; quint- (< Latin quīntus fifth) + -ant (as in quadrant)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for quintant
My quintant was first wrested from my coxswain, who in a tone of grief made me known the circumstance.The Bushman
Edward Wilson Landor
The flat bar which carries the nonius scale and index-glass of a quadrant, octant, quintant, or sextant.
An instrument used instead of a sextant, quintant, or quadrant; but the quintant embraces as much—viz.