/ lɔːn; NAmE / noun
1.
[ C ] an area of ground covered in short grass in a garden / yard or park, or used for playing a game on :
In summer we have to mow the lawn twice a week.
a croquet lawn
—picture at house
2.
[ U ] a type of fine cotton or linen cloth used for making clothes
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WORD ORIGIN
sense 1 mid 16th cent.: alteration of dialect laund glade, pasture , from Old French launde wooded district, heath, of Celtic origin. The current sense dates from the mid 18th cent.
sense 2 Middle English : probably from Laon , the name of a city in France important for linen manufacture.