The Collaborative International Dictionary of English v.0.48:

Terraqueous \Ter*ra"que*ous\, a. [L. terra the earth + E.
   aqueous.]
   Consisting of land and water; as, the earth is a terraqueous
   globe. --Cudworth.
   [1913 Webster]

         The grand terraqueous spectacle
         From center to circumference unveiled.   --Wordsworth.
   [1913 Webster]