Sextant

1.

(an instrument used in navigating and surveying, used by a navigator to measure the angle between the horizon and the sun or a star. With these measurements he can find his position [latitude and longitude]) សិចស្ដង់ (បរិធានធ្វើនាវាចរម៉្យាង), មួយភាគ៦ នៃមណ្ឌល, ធ្នូមណ្ឌល៦០អង្សា, កម្ពស់តារា

1.

The sixth part of a circle.

2.

An instrument for measuring angular distances between objects, -- used esp. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle.

3.

The constellation Sextans.