trĭ-pēs — Lewis & Short
trĭ-pēs, ĕdis, adj.ter,
I 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.