AGRARIAN is a 8 letter word that starts with A.

1. \A*gra"ri*an\, a. [L. agrarius, fr. ager field.]
   1. 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.
            His Grace's landed possessions are irresistibly
            inviting to an agrarian experiment.   --Burke.
   2. (Bot.) Wild; -- said of plants growing in the fields.
   

2. \A*gra"ri*an\, n.
   1. One in favor of an equal division of landed property.
   2. An agrarian law. [R.]
            An equal agrarian is perpetual law.   --Harrington.