Merriam-Webster Collegiate Dictionary - arable

 I. adjective  Etymology: Anglo-French or Latin; Anglo-French, from Latin arabilis, from arare to plow; akin to Old English erian to plow, Greek aroun  Date: 15th century  1. fit for or used for the growing of crops  2. British engaged in, produced by, or being the cultivation of ~ land  • arability noun  II. noun  Date: 1576 chiefly British land fit or used for the growing of crops; also a plot of such land the village ~ of Anglo-Saxon times