acrolobe

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noun

The central portion of a cephalon or pygidium of an agnostoid trilobite.

OriginEnglish lobe ← Latin lobus ← Ancient Greek ᾰ̓́κρος (ắkros) →
Scrabble 12
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Meanings

nounacrolobe (plural acrolobes)

plural acrolobes

  1. biologyThe central portion of a cephalon or pygidium of an agnostoid trilobite.

    PIUNSJ 661; pygidium, largely exfoliated with laterally constricted acrolobe; olistolite LC9.

    1995, John H Shergold, Osvaldo Bordonaro, Eladio Liñán, “Late Cambrian Agnostoid Trilobites from Argentina”, in Palaeontology, volume 38, page 244

Origin

  1. Proto-Indo-European*h₂eḱ-
  2. Proto-Indo-European*h₂eḱrós
  3. Proto-Hellenic[Term?]
  4. Ancient Greekᾰ̓́κρος (ắkros)
  5. Englishacro-
  6. Latinlobus
  7. Englishlobe
  8. Englishacrolobe

From acro- + lobe.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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