definition of
flint

[1] #1 flint n. a hard kind of stone; a form of silica more opaque than chalcedony. wn

[2] #2 flint s. [flinty, granitic, obdurate, stony] showing unfeeling resistance to tender feelings; "his flinty gaze"; "the child's misery would move even the most obdurate heart". wn

[3] #3 flint n. [Flint, Flint River] a river in western Georgia that flows generally south to join the Chattahoochee River at the Florida border where they form the Apalachicola River. wn

[4] #4 flint n. [Flint] a city in southeast central Michigan near Detroit; automobile manufacturing. wn