Source : Webster's Revised Unabridged Dictionary (1913)

Monopodium \Mon`o*po"di*um\, n.; pl. L. {Monopodia}, E. {-ums}.
   [L. See {Monopody}.] (Bot.)
   A single and continuous vegetable axis; -- opposed to
   {sympodium}.

Source : WordNet®

monopodia
     See {monopodium}