Spanish vocabulary · Beginner

How to Say Weapons in Spanish: Armas & Armamento

Armas · noun (feminine, plural) · AHR-mahs

Weapons in Spanish is armas (plural of arma). The word covers all types — firearms (armas de fuego), bladed weapons (armas blancas), and even figurative weapons. Note that arma is feminine but takes the article el in singular (el arma) due to the stressed initial a.

AHR-mahs (armas) · ahr-mah-MEHN-toh (armamento)

La policía confiscó varias armas ilegales.

The police confiscated several illegal weapons.

Weapons in Spanish: Quick Reference

Below are the most common Spanish words for weapons, with pronunciation and regional usage notes.

SpanishEnglishPronunciationRegion / Register
armasweaponsAHR-mahsDefault, widely understood
armamentoweaponscollective/military weaponry

How Native Speakers Use Armas

Real example sentences across three contexts you'll actually run into.

News context

El gobierno aprobó una nueva ley de control de armas.

The government approved a new weapons control law.

Control de armas is the standard phrase for arms/weapons control.

Historical reference

Los soldados dejaron sus armas al finalizar la guerra.

The soldiers laid down their weapons when the war ended.

Armas in military contexts includes all instruments of warfare.

Figurative use

Su mejor arma es la inteligencia.

Her best weapon is intelligence.

Arma is commonly used figuratively, just like weapon in English.

Avoid These Mistakes When Using Armas

Using la arma (wrong article)

Incorrect: La arma fue encontrada en el río.

Correct: El arma fue encontrada en el río.

Arma is feminine but takes el in singular because it starts with a stressed a. The plural is las armas (normal feminine article returns).

Confusing armas with ejército

Incorrect: El armas atacó la ciudad.

Correct: El ejército atacó la ciudad.

Armas means weapons (objects). Ejército means army (the military force). They are not interchangeable.

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Why word lists alone don't stick

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See Armas used by native speakers

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Common Questions About Weapons in Spanish

How do you say weapons in Spanish?
Weapons is armas (las armas). A single weapon is un arma (using el because of the stressed initial a). The collective term for military weaponry is armamento.
Why does arma use el instead of la?
Feminine nouns starting with a stressed a take el in singular for phonetic ease: el arma, el agua, el águila. They remain feminine (el arma blanca, not el arma blanco).
What are armas blancas?
Armas blancas (literally white weapons) are bladed or stabbing weapons like knives, swords, and daggers — as opposed to armas de fuego (firearms).