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arsenal

nounattested in dialogue

  • United Kingdom//ˈɑːsənəl//
  • United Kingdom//ˈɑːsnəl//
  • Canada//ˈɑɹsənəl//
  • Canada//ˈɑɹsnəl//
  • Australia//ˈɐːsənəl//

A military establishment for the storing, development, manufacturing, testing, or repairing of arms, ammunition, and other war materiel; an armoury.

noun

  1. 1

    A military establishment for the storing, development, manufacturing, testing, or repairing of arms, ammunition, and other war materiel; an armoury.

  2. 2

    A stock of weapons, especially all the weapons that a nation possesses.

  3. 3

    A store or supply of anything.

    Foremost in her arsenal is that smile – so enormous and so absurdly disarming that someone should have worked out a way to harness its power into international conflict resolution.

  4. 4

    Any supply of aid collected to prepare a person or army for hardship.

    He arrived with a large arsenal of cleansers and tools, and got right to work.

    Elyse Saugstad, a professional skier, wore a backpack equipped with an air bag, a relatively new and expensive part of the arsenal that backcountry users increasingly carry to ease their minds and increase survival odds in case of an avalanche.

Etymology

From Italian arsenale, from Arabic دَار الصِّنَاعَة (dār aṣ-ṣināʕa, “manufacturing shop”), from دَار (dār) + صِنَاعَة (ṣināʕa).

Forms

plural
arsenals
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).