nocturnal

Definitions

1. A person or creature that is active at night.
2. Primarily active during the night
3. A device for telling the time at night, rather like a sundial but read according to the stars.
   historical
4. Taking place at night, nightly
5. A person or creature that is active at night
6. A device for telling the time at night, rather like a sundial but read according to the stars

Equivalents

Examples

“A rather different instrument was the nocturnal: it enabled you to tell⟳ the time at night, provided you knew the date⟳, from the position of the stars in the constellation of the Great Bear⟳, which rotate around the Pole Star.”

CEFR level