a kind of small shield or buckler, used as a defensive weapon in war.-a butt or mark to shoot at, as for practice, or to test the accuracy of a firearm, or the force of a projectile.-the pattern or arrangement of a series of hits made by a marksman on a butt or mark; as, he made a good target.-the sliding crosspiece, or vane, on a leveling staff.-a conspicuous disk attached to a switch lever to show its position, or for use as a signal.