D defs.my
Entry 3 senses · 2 variants Webster, 1913

Nocturnal

/näk-tẽrn'-əl/ · Noc·tur·nal · IPA /nɑkˈtɝ.nəl/
01 a. Of, pertaining to, done or occuring in, the night; as, nocturnal darkness, cries, expedition, etc.; -- opposed to diurnal.
  1. 1.
    Of, pertaining to, done or occuring in, the night; as, nocturnal darkness, cries, expedition, etc.; -- opposed to diurnal.
  2. 2.
    Having a habit of seeking food or moving about at night; as, nocturnal birds and insects; raccoons are nocturnal.; -- of animals.
02 n. An instrument formerly used for taking the altitude of the stars, etc., at sea.
  1. 1.
    An instrument formerly used for taking the altitude of the stars, etc., at sea.