Merriam-Webster Collegiate Dictionary - lawn

 I. noun  Etymology: Middle English launde, from Anglo-French land, launde wood, unwooded field, of Celtic origin; akin to Middle Irish lann land — more at land  Date: 14th century  1. archaic an open space between woods ; glade  2. ground (as around a house or in a garden or park) that is covered with grass and is kept mowed  3. a relatively even layer of bacteria covering the surface of a culture medium  • ~ or ~y adjective  II. noun  Etymology: Middle English ~e, laund, probably from Laon, France  Date: 15th century a fine sheer linen or cotton fabric of plain weave that is thinner than cambric  • ~y adjective