Bible Dictionaries
Nocturnal

Webster's Dictionary

(1):

(a.) Having a habit of seeking food or moving about at night; as, nocturnal birds and insects.

(2):

(a.) Of, pertaining to, done or occuring in, the night; as, nocturnal darkness, cries, expedition, etc.; - opposed to diurnal.

(3):

(n.) An instrument formerly used for taking the altitude of the stars, etc., at sea.

Bibliography Information
Webster, Noah. Entry for 'Nocturnal'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​n/nocturnal.html. 1828.