Mace

1. A money of account in China equal to one tenth of a tael; also, a weight of 57.98 grains.
   

1. A kind of spice; the aril which partly covers nutmegs. See Nutmeg.
   

Red mace is the aril of Myristica tingens, and white mace that of Myristica Otoba, -- East Indian trees of the same genus with the nutmeg tree.
n.

1. A heavy staff or club of metal; a spiked club; -- used as weapon in war before the general use of firearms, especially in the Middle Ages, for breaking metal armor.
2. An officer who carries a mace as an emblem of authority; a macebearer.
3. A knobbed mallet used by curriers in dressing leather to make it supple.
4. (Billiards) A rod for playing billiards, having one end suited to resting on the table and pushed with one hand.

1. A chemical preparation containing tear gas in a solvent, packaged in the form of a spray, and used to temporarily incapacitate people, such as rioters or criminals, by causing intense eye and skin irritation; also called chemical mace. It is designed to be a non-lethal weapon for defending against violent people.