occulter

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noun

Any object, natural or man-made, that blocks the light of an object from an observer, typically used in reference to astronomical events.

“The moon is the occulter of the sun during a solar eclipse.”

OriginEnglish occult ← Latin occultus ← Proto-Indo-European *ḱéleti →
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Meanings

nounocculter (plural occulters)

plural occulters

  1. Any object, natural or man-made, that blocks the light of an object from an observer, typically used in reference to astronomical events.

    The moon is the occulter of the sun during a solar eclipse.

Origin

  1. Proto-Indo-European*h₁ep-
  2. Proto-Indo-European*h₁éps
  3. Proto-Indo-European*h₁óp(i)
  4. Proto-Italic*op
  5. Latinob
  6. Latinob-
  7. Proto-Indo-European*ḱel-
  8. Proto-Indo-European*ḱéleti
  9. Latin*celo
  10. Latinocculō
  11. Latinoccultus
  12. Englishoccult
  13. Englishocculter

From occult + -er.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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