Picatinny rail

noun

A bracket used on some firearms in order to provide a standardized mounting platform.

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Meanings

nounPicatinny rail (plural Picatinny rails)

plural Picatinny rails

  1. engineeringA bracket used on some firearms in order to provide a standardized mounting platform.

Origin

Named after the Picatinny Arsenal in New Jersey.

Full word history & related roots →
Cite this entry
APA

Picatinny rail. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Picatinny%20rail

MLA

“Picatinny rail.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Picatinny%20rail. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Picatinny rail,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Picatinny%20rail.

Source: Picatinny rail on Wiktionary, CC BY-SA 4.0.