 
      
      A lateen-sail is a triangular sail extended on a yard which is slung one quarter from the lower end…
 
      
      "Brigantine: a square-rigged vessel with two masts and fore and aft mainsail." — Williams, 1889
 
      
      "A becket fitted round a boat's mast with an eye to hold the lower end of the sprit which is used to…