akin to ballo, "to throw," denotes "a missile, an arrow, javelin, dart, etc.," Eph 6:16 (see FIERY). Cp. bole, "a stone's throw or cast," Luk 22:41; bolizo, "to sound" (to fathom the depth of water), Act 27:28.
Note: The noun bolis, "a dart," is found in some texts in Heb 12:20 (see AV).