Source : Webster's Revised Unabridged Dictionary (1913)

Pseudopodium \Pseu`do*po"di*um\, n.; pl. {Pseudopodia}. [NL.]
   Same as {Pseudopod}.

Source : WordNet®

pseudopodium
     n : temporary outgrowth used by some microorganisms as an organ
         of feeding or locomotion [syn: {pseudopod}]
     [also: {pseudopodia} (pl)]