Mace meaning : A heavy fighting club. A ceremonial form of this weapon. A long baton used by some drum majors to keep time and lead a marching band. If this baton is referred to as a mace, by convention it has a ceremonial often decorative head, which, if of metal, usually is hollow and sometimes intricately worked. An officer who carries a mace as an emblem of authority. A knobbed mallet used by curriers in dressing leather to make it supple. A billiard cue. To hit someone or something with a mace.