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LATIN · A WORD WITH POSSIBILITIES

arma.

arms, weapons of war, weaponry, instruments (implements of warfare)

4 characters2 syllables approx.Latina language

Meaning & usage

noun[ˈar.ma]Classical-Latin[ˈar.ma]

  1. arms, weapons of war, weaponry, instruments (implements of warfare)

    declension-2 · neuter · plural · plural-only

  2. arms, weapons of war, weaponry, instruments (implements of warfare) defensive arms: armour, shields (etc.)

    declension-2 · neuter · plural · plural-only

  3. arms, weapons of war, weaponry, instruments (implements of warfare) close-quarter weapons (offensive or defensive)

    declension-2 · neuter · plural · plural-only

  4. arms, weapons of war, weaponry, instruments (implements of warfare) missile weapons

    declension-2 · neuter · plural · plural-only · poetic

  5. military action, war (arms as instruments of policy)

    declension-2 · metonymically · neuter · plural · plural-only

  6. warfare, battle (military exploits)

    abstract · concrete · declension-2 · neuter · plural · plural-only

  7. troops, military forces, the army

    declension-2 · metonymically · neuter · plural · plural-only

  8. weapons as means of defence

    declension-2 · neuter · plural · plural-only

  9. tools, equipment

    broadly · declension-2 · neuter · plural · plural-only
Where this word comes from

Etymology tree Proto-Indo-European *h₂er- Proto-Indo-European *h₂(e)rmos Proto-Italic *armosder. Latin arma From Proto-Indo-European *h₂(e)rmos (“fitting”), from the root *h₂er- (“to join”). armentum is an independent derivation from the same root, as if from Proto-Indo-European *h₂er-mn̥-tom. Cognates include Sanskrit ऋत (ṛtá, “order; right; agreement etc.”) and अरम् (áram, “fitting”), Ancient Greek ἀραρίσκω (ararískō, “to fit together”) and Old Armenian արարի (arari, “I made”). Semantic development was "that what is fitted together" → "tools" → "weapons". Also related to ars, artus, rītus.

noun

  1. a piece of weaponry

    Late-Latin · declension-1 · feminine · plural · plural-only
Where this word comes from

A nominative plural → feminine singular transfer from the "weapons" sense of Etymology 1, common during the Late Latin period.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.