Source : Webster's Revised Unabridged Dictionary (1913)

Agricultural \Ag`ri*cul"tur*al\, a.
   Of or pertaining to agriculture; connected with, or engaged
   in, tillage; as, the agricultural class; agricultural
   implements, wages, etc. -- {Ag`ri*cul"tur*al*ly}, adv.

   {Agricultural ant} (Zo["o]l.), a species of ant which gathers
      and stores seeds of grasses, for food. The remarkable
      species ({Myrmica barbata}) found in Texas clears circular
      areas and carefully cultivates its favorite grain, known
      as ant rice.