A broad, short sword with five fingerlike protrusions along the blade, popular during the Italian Renaissance.
From Italian cinque (five) + -dea (possibly from Latin idea, shape), literally 'five-shaped.' Appeared in 15th-16th century Italian weapon terminology, named for its distinctive blade.
The cinquedea was basically a wide-bladed stabbing weapon designed to pierce Renaissance armor—its five-lobed blade looks ornamental but was brutally effective at finding armor joints.
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