Main Entry: se·di·tion

Pronunciation: \si-ˈdi-shən\

Function: noun

Etymology: Middle English sedicioun, from Anglo-French sediciun, from Latin sedition-, seditio, literally, separation, from sed-, se- apart + ition-, itio act of going, from ire to go — more at secede, issue

Date: 14th century

: incitement of resistance to or insurrection against lawful authority