arculus

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noun

A crossvein between the radius and cubitus near the base of the wing in certain insects

OriginLatin arcus →
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Meanings

nounarculus (plural arculi)

plural arculi

  1. A crossvein between the radius and cubitus near the base of the wing in certain insects

    Wing length (the length from the costal end of the vein separating the arculus from the discoidal cell to the tip of the wing) and wing area were calculated for each of the four wings on each individual.

    2015, Christopher Hassall, Sean Brady, “Strong geographical variation in wing aspect ratio of a damselfly, Calopteryx maculata (Odonata: Zygoptera)”, in PeerJ, volume 3, →DOI

Origin

  1. Latinarcus“bow, curve”
  2. Englisharculus

Diminutive of Latin arcus (“bow, curve”).

More words from Latin

Full word history & related roots →
Cite this entry
APA

arculus. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/arculus

MLA

“arculus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/arculus. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “arculus,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/arculus.

Source: arculus on Wiktionary, CC BY-SA 4.0.