"tillage" in the noun sense
1. cultivated land, farmland, plowland, ploughland, tilled land, tillage, tilth
arable land that is worked by plowing and sowing and raising crops
the cultivation of soil for raising crops
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License