Potamian
Pronunciation : Po*ta"mi*an
Part of Speech : n.
Etymology : [Gr. (Zo?l.)
Definition : Defn: A river tortoise; one of a group of tortoises (Potamites, or Trionychoidea) having a soft shell, webbed feet, and a sharp beak. See Trionyx.
Source : Webster's Unabridged Dictionary, 1913