sighthole

S1I1G2H4T1H4O1L1E1

noun

An eyehole in a furnace, a boiler, etc.

Scrabble 16
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Meanings

nounsighthole (plural sightholes)

plural sightholes

  1. An eyehole in a furnace, a boiler, etc.

Origin

From sight + hole.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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