tholus

T1H4O1L1U1S1

noun

A small domical mountain or hill.

“Hecates Tholus is a Martian volcano.”

Similar
thole
OriginLatin tholus →
Scrabble 9
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Meanings

nountholus (plural tholi)

plural tholi

  1. astronomyA small domical mountain or hill.

    Hecates Tholus is a Martian volcano.

  2. A round building, dome, or cupola.

    Synonyms: thole

  3. biologyPart of the apical structure of the asci of some lichen species.

Synonyms & antonyms

nounA round building, dome, or cupola.

Similar
thole

Origin

  1. Latintholus“dome, rotunda”
  2. Englishtholus

From Latin tholus (“dome, rotunda”). Doublet of tholos.

More words from Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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