meaning of nocturnal
1. Of, pertaining to, done or occuring in, the night; as, nocturnal darkness, cries, expedition, etc. ; -- opposed to diurnal.
2. Having a habit of seeking food or moving about at night; as, nocturnal birds and insects.
3. An instrument formerly used for taking the altitude of the stars, etc. , at sea.
4. belonging to or active during the night; "nocturnal animals are active at night"; "nocturnal plants have flowers that open at night and close by
">day"
Related Words
nocturnal | nocturnal emission | nocturnally |