mace1
  
  n.
  - historical a heavy club with a metal head and spikes.
 - a staff of office, especially that which lies on the table in the House of Commons when the Speaker is in the chair.
 
 
  Etymology
  ME: from OFr. masse ‘large hammer’.
 
  
    
mace2
  
  n.
 the reddish fleshy outer covering of the nutmeg, dried as a spice.
 
  Etymology
  ME macis (taken as pl.), via OFr. from L. macir.