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firearm

/ˈfaɪəɹˌɑː(ɹ)m/ noun

In Latin: sclopetum Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about firearm at Wordnik → Where our words come from →

  1. A portable gun.
    he wore his firearm in a shoulder holster

Origin

From fire (“projectile discharge”) + arm (“weapon”).

From Wiktionary, via Kaikki.org (CC BY-SA)