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cornicle

noun cor·ni·cle \ ˈkȯ(r)nə̇kəl \

Definition of cornicle

plural -s
:a little horn or horn-shaped process; specifically :either of two protruding dorsal tubes in aphids that secrete a waxy fluid and were formerly believed to discharge honeydew

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Origin and Etymology of cornicle

Latin corniculum, diminutive of cornu horn

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