krummhorn/ˈkɹʌmhɔːn/EtymologyFrom German Krummhorn, from krumm (“crooked”) + Horn (“horn”). Doublet of cromorna.krummhorn means A mediaeval and Renaissance wind instrument. Lexicurio rates it Sui generis — a strength score of 85 out of 100.krummhorn is pronounced /ˈkɹʌmhɔːn/.nounA mediaeval and Renaissance wind instrument.A stop on an organ.