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Webster 1913 Edition


Nocturnal

Noc-tur′nal

,
Adj.
[L.
nocturnalis
,
nocturnus
, fr.
nox
,
noctis
, night. See
Night
, and cf.
Nocturn
.]
1.
Of, pertaining to, done or occuring in, the night;
as,
nocturnal
darkness, cries, expedition, etc.
; – opposed to
diurnal
.
Dryden.

Noc-tur′nal

,
Noun.
An instrument formerly used for taking the altitude of the stars, etc., at sea.
I. Watts.

Webster 1828 Edition


Nocturnal

NOCTURN'AL

,
Adj.
[L. night.]
1.
Pertaining to night; as nocturnal darkness.
2.
Done or happening at night; as a nocturnal expedition or assault; a nocturnal visit.
3.
Nightly; done or being every night.
From gilded roofs depending lamps display nocturnal beams, that emulate the day.

NOCTURN'AL

,
Noun.
An instrument, chiefly used at sea to take the altitude of stars about the pole, in order to ascertain the latitude. This may be a hemisphere, or a planisphere on the plane of the equinoctial.

Definition 2024


nocturnal

nocturnal

English

Adjective

nocturnal (comparative more nocturnal, superlative most nocturnal)

  1. (of a person, creature, group, or species) Primarily active during the night.
    nocturnal birds
  2. (of an occurrence) Taking place at night, nightly.
    • 2013 January 1, Paul Bartel, Ashli Moore, “Avian Migration: The Ultimate Red-Eye Flight”, in American Scientist, volume 101, number 1, page 4748:
      Many of these classic methods are still used, with some modern improvements. For example, with the aid of special microphones and automated sound detection software, ornithologists recently reported [] that pine siskins (Spinus pinus) undergo an irregular, nomadic type of nocturnal migration.
    a suspicious nocturnal outing

Antonyms

Derived terms

Coordinate terms

Translations

Noun

nocturnal (plural nocturnals)

  1. A person or creature that is active at night.
  2. (historical) A device for telling the time at night, rather like a sundial but read according to the stars.

Old French

Adjective

nocturnal m (oblique and nominative feminine singular nocturnale)

  1. nocturnal

References