arsenal

American  

[ahr-suh-nl, ahrs-nuhl] / ˈɑr sə nl, ˈɑrs nəl /

noun

1. a place of storage or a magazine containing arms and military equipment for land or naval service.

2. a government establishment where military equipment or munitions are manufactured.

3. a collection or supply of weapons or munitions.

4. a collection or supply of anything; store.

   He came to the meeting with an impressive arsenal of new research data.

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arsenal British  

/ ˈɑːsənəl /

noun

1. a store for arms, ammunition, and other military items

2. a workshop or factory that produces munitions

3. a store of anything regarded as weapons

   an arsenal of destructive arguments

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Etymology

Origin of arsenal

1500–10; (< Middle French ) < Italian arzanale < Upper Italian ( Venetian ) arzanà dockyard < Arabic dār ṣināʿah workshop (literally, house of handwork); initial d probably taken as a form of the preposition di from

Example Sentences

The U.S. has sent Iran a 15-point ceasefire proposal that reportedly included provisions like ending uranium enrichment, placing limits on its missile arsenal, and reopening the Strait of Hormuz.

From Slate • Mar. 26, 2026

She has since stopped taking the medication and said she had built up an "arsenal" of other coping strategies.

From BBC • Mar. 26, 2026

European countries have long worried that Iran might upgrade its existing missile arsenal to increase its range and target them.

From The Wall Street Journal • Mar. 21, 2026

Indeed, rebuilding the U.S. military arsenal will require critical earths that China has a near monopoly on.

From Barron's • Mar. 20, 2026

To this day, neutron therapy as pioneered by the cyclotroneers in 1938 remains an important part of the arsenal against certain cancers, including those of the prostate and salivary glands.

From "Big Science" by Michael Hiltzik