in·cide \ə̇nˈsīd\verb (-ed/-ing/-s) Etymology: Latin incidere — more at incise intransitive verb 1.archaic: cut, incise 2.obsolete: to cause loosening or resolution transitive verb 1.archaic: to cut into (as a lesion or tissue) 2.archaic: to cause loosening or resolution of (as phlegm)