flint (Adjective) — Showing unfeeling resistance to tender feelings. ex. "his flint gaze"
flint (Noun) — A hard kind of stone; a form of silica more opaque than chalcedony.
flint (Noun) — A river in western Georgia that flows generally south to join the Chattahoochee River at the Florida border where they form the Apalachicola River.
flint (Noun) — A city in southeast central Michigan near Detroit; automobile manufacturing.