noun which may take the genitive case particle 'no'
uncultivated; wild; unreclaimed
Describes land that has not been cleared or farmed; often used in agricultural or geographical contexts.
その地域には未墾の土地が広がっている。
Uncultivated land stretches across that area.
未墾地を開拓して農地に変える計画だ。
There is a plan to reclaim the wild land and turn it into farmland.
Compound of 未 (mi, 'not yet') and 墾 (kon, 'cultivate, reclaim land'). The kanji 墾 is relatively rare and appears mainly in agricultural or land-development terms.