Definition of sextant noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈsekstənt//
; NAmE NAmE//ˈsekstənt//
jump to other results
an instrument for measuring angles and distances, used to calculate the exact position of a ship or an aircraft Word Originlate 16th cent. (denoting the sixth part of a circle): from Latin sextans, sextant- ‘sixth part’, from sextus ‘sixth’.
See the Oxford Advanced American Dictionary entry: sextant