circulus

C3I1R1C3U1L1U1S1

noun

A social group of reptiles where there is interaction and personal exchange between individuals.

OriginLatin circulus ← Ancient Greek κίρκος (kírkos) ← Proto-Indo-European *(s)ker- →
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Meanings

nouncirculus (plural circuli)

plural circuli

  1. biologyA social group of reptiles where there is interaction and personal exchange between individuals.
  2. biologyA concentric growth ring found on the scales of fish. This ring develops around the focus of the fish's scale.

Origin

  1. Proto-Indo-European*(s)ker-
  2. Ancient Greekκίρκος (kírkos)
  3. Latincircus
  4. Latincirculus
  5. Englishcirculus

Borrowed from Latin circulus.

More words from Latin

Full word history & related roots →
Cite this entry
APA

circulus. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/circulus

MLA

“circulus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/circulus. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “circulus,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/circulus.

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