derringern.
英 'derɪn(d)ʒə | 美 'dɛrɪndʒɚ
中文n. （美）大口径短筒手枪
词根词源
derringer (n.)1850, for Henry Deringer (1786-1868), U.S. gunsmith who invented it in the 1840s; prevailing misspelled form is how his name appeared on the many counterfeits and imitations. "A small pistol with a large bore, very effective at short range" [OED].
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