(1):

(a.) Wild; - said of plants growing in the fields.

(2):

(a.) Pertaining to fields, or lands, or their tenure; esp., relating to an equal or equitable division of lands; as, the agrarian laws of Rome, which distributed the conquered and other public lands among citizens.

(3):

(n.) An agrarian law.

(4):

(n.) One in favor of an equal division of landed property.