1a n. Hist. the clearing of land, provision of fences, buildings, etc. as required of settlers receiving grants of land or, later, holding land under the homestead laws. See 1824 quote.
See also: improve (def. 1)
1b n. Hist. into (or under) improvement, of land, cleared of trees and underbrush and ready for farming
See also: improve (def. 2)
2a n. (usually plural) things done to improve (def. 1) land.
See also: improve (def. 1)
2b n. (usually plural) Obs. the lands so improved.
3 n. Obs. of land, enhancement in value resulting from the making of improvements (def. 2).
See also: improve (def. 1) improvement (def. 2)