lawn1
  
  n.
 an area of mown grass in a garden or park.
Derivative
  
  Etymology
  C16: alt. of dial. laund ‘glade, pasture’, from OFr. launde ‘wooded district, heath’, of Celtic origin.
 
  
    
lawn2
  
  n.
 a fine linen or cotton fabric used for making clothes.
Derivative
  
  Etymology
  ME: prob. from Laon, the name of a city in France important for linen manufacture.