mace
noun
°(Weapon) A heavy fighting club.
°A ceremonial form of this weapon.
"1598: I am a king that find thee; and I know 'Tis not the balm, the sceptre, and the ball, The sword, the mace, the crown imperial, The intertissued robe of gold and pearl... — William Shakespeare, Henvry V, Act IV, Scene I, line 259."
verb
°To spray in defense or attack with mace (pepper spray, or, formerly, tear gas) using a hand-held device.
°To spray a similar noxious chemical in defense or attack using an available hand-held device such as an aerosol spray can.