| Jackstone 1. (n.) One of the pebbles or pieces used in the game of jackstones. 2. (n.) A game played with five small stones or pieces of metal. See Chuck. Thesaurus Entries ace, asphalt, atom, bit, blacktop, carpet, causeway, cement, checkstone, cobblestone, concrete, dab, dole, dot, drakestone, dram, dribble, driblet, dwarf, farthing, fingerstone, flag, fleck, floor, flyspeck, fragment, gobbet, grain, granule, gravelstone, groat, hair, handful, iota, jackstone, jot, little, little bit, metal, minim, minimum, minutiae, mite, modicum, molecule, mote, nutshell, ounce, particle, pave, pebblestone, pinch, pittance, point, scruple, slingstone, smidgen, smitch, speck, spoonful, spot, tar, thimbleful, tiny bit, tittle, trifling amount, trivia, whit |