trĭ-pēs, ĕdis, adj. [ter],
having three feet , three-footed : mensa, Hor. S. 1, 3, 13: grabatus, Mart. 12, 32, 11: mulus natus, Liv. 40, 2, 4; 40, 45, 4.—Trop., of a man leaning on a staff , Maxim. 1, 219, de sene.
tripēs edis, adj.ter+pes, with three feet, three-footed : mensa, H.: mulus natus, L. ...
An Elementary Latin Dictionary