time sight (English, noun)
expansion: time sight (countable and uncountable, plural time sights)
Senses:
glosses: An observation by sextant of the altitude of a celestial body in order to determine the time and hence the longitude.
tags: countable
uncountable
glosses: A set of observations in order to determine the time that is usually conducted with a transit instrument.
tags: countable
uncountable
Forms:
form: time sights
tags: plural