nocturnal arc

noun

The arc of a circle described by the Sun, or a star, in the night.

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Meanings

nounnocturnal arc (plural nocturnal arcs)

plural nocturnal arcs · alternative archaic nocturnal arch

  1. astronomyThe arc of a circle described by the Sun, or a star, in the night.
Cite this entry
APA

nocturnal arc. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/nocturnal%20arc

MLA

“nocturnal arc.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nocturnal%20arc. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “nocturnal arc,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/nocturnal%20arc.

Source: nocturnal arc on Wiktionary, CC BY-SA 4.0.