firefall

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noun

A summertime event held in Yosemite National Park from 1872 to 1968, in which burning hot embers were spilled from the top of Glacier Point to the valley below, giving the appearance of a glowing waterfall.

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Meanings

nounfirefall (plural firefalls)

plural firefalls

  1. historicalA summertime event held in Yosemite National Park from 1872 to 1968, in which burning hot embers were spilled from the top of Glacier Point to the valley below, giving the appearance of a glowing waterfall.
  2. The phenomenon whereby Horsetail Fall, a seasonal waterfall in Yosemite National Park, is illuminated by the sunset so that it glows orange-red.

Origin

From fire + fall, modelled on waterfall.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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