spearcaster /ˈspɪəkɑːstə/ noun3 •A soldier or guard armed with a spear used as a ranged weapon.She felt near fainting with relief. Not that the blaster solved many problems. It wouldn’t get them out of a city aswarm with archers and spearcasters. — 1963 •A track-and-field athlete who throws a spear or spears; a javelinist, a javelin thrower.Those spearcasters using the front carry feel relieved of the responsibility of thinking about the javelin during the run. — 1969 •A sling-like device used to impart greater impetus to a thrown spear.australian weapons. 1, knife; 2, club; 3, spearcaster. — 1897 formsspearcasters