sealing washer

noun

A rubber or neoprene washer, sometimes metal-backed, typically placed on a fastener to prevent water from migrating into and through the fastener hole.

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Meanings

nounsealing washer (plural sealing washers)

plural sealing washers

  1. A rubber or neoprene washer, sometimes metal-backed, typically placed on a fastener to prevent water from migrating into and through the fastener hole.
Cite this entry
APA

sealing washer. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sealing%20washer

MLA

“sealing washer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sealing%20washer. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sealing washer,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sealing%20washer.

Source: sealing washer on Wiktionary, CC BY-SA 4.0.