Webster's 1828 Dictionary
STELLION
n.[L.] A newt.
STELLIONATE
n.[Low L.] In law, the crime of selling a thing deceitfully for what it is not, as to sell that for ones own which belongs to another. [Not in use. ]
Webster's 1913 Dictionary
STELLION
Stel "lion, n. Etym: [L. stellio a newt having starlike spots on its back, fr. stella a star. ] (Zoöl.)
Defn: A lizard (Stellio vulgaris ), common about the Eastern Mediterranean among ruins. In color it is olive-green, shaded with black, with small stellate spots. Called also hardim, and star lizard.
STELLIONATE
Stel "lion *ate, n. Etym: [L. stellionatus cozenage, trickery, fr. stellio a newt, a crafty, knavish person. ] (Scots & Roman Law )
Defn: Any fraud not distinguished by a more special name; -- chiefly applied to sales of the same property to two different persons, or selling that for one's own which belongs to another, etc. Erskine.