/kon"dl ahrth'/ , n.
any of the primitive ungulate mammals of the extinct order Condylarthra, from the Paleocene and Eocene epochs, having a slender body, low-crowned teeth, and five-toed feet, each toe ending in a small hoof.
[ 1880-85; Condylarthra (neut. pl.) kóndyl ( os ) CONDYLE + -arthra, neut. pl. of arthrus -jointed, deriv. of árthron joint ]