noun

• (England, historical or regional) An open space between woods.
• (biology) An overgrown agar culture, such that no separation between single colonies exists.

verb

• (transitive) To furnish with a lawn.
  "By opening all the arches of the several apartments […], by lawning the area within, and by a judicious use of ivy where any blank spaces require to be broken, or any deformities concealed, this might be made a beautiful and singular scene; […]"

noun

• (uncountable) A type of thin linen or cotton.
  "Two hundred Sempſtreſſes were employed to make me Shirts, and Linen for Bed and Table, all of the ſtrongeft and coarſeſt kind they could get; which, however, they were forced to quilt together in ſeveral Folds, for the thickeſt was ſome degrees finer than Lawn."
• (in the plural) Pieces of this fabric, especially as used for the sleeves of a bishop.
• (countable, obsolete) A piece of clothing made from lawn.
  "[…] she was as the wild yoncopin to the calla lily. Marjie knew how to dress. To-day, shaded by the buggy-top, in her dainty light blue lawn, with the soft pink of her cheeks and her clear white brow and throat, she was a most delicious thing […]"