firestop

F4I1R1E1S1T1O1P3

noun

A fire block.

Similar
draft stop
UncommonScrabble 13
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Meanings

nounfirestop (plural firestops)

plural firestops · alternative fire stop

  1. businessA fire block.

    Synonyms: draft stop

  2. businessAny multi-component system designed to stop fire and smoke from migrating through openings around piping, wiring, ductwork, cable trays, bus ducts, etc., as well as through movement joints in walls and floors that are required to have a fire-resistance rating.

Synonyms & antonyms

nounA fire block.

Similar
draft stop
Also see
draft stop

Origin

From fire + stop.

Full word history & related roots →

Rhymes & wordplay

Anagrams

postfire
Cite this entry
APA

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

MLA

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

Chicago

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

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