'Tillable' definitions:

Definition of 'tillable'

From: WordNet
adjective
(of farmland) capable of being farmed productively [syn: arable, cultivable, cultivatable, tillable]

Definition of 'Tillable'

From: GCIDE
  • Tillable \Till"a*ble\, a. Capable of being tilled; fit for the plow; arable. [1913 Webster]