— perissodactylous , adj.
/peuh ris'oh dak"til/ , adj.
1. having an uneven number of toes or digits on each foot.
n.
2. any mammal of the order Perissodactyla, comprising the odd-toed hoofed quadrupeds and including the tapirs, rhinoceroses, and horses.
Also, perissodactyle /peuh ris'oh dak"til, -tuyl/ . Cf. artiodactyl .
[ 1840-50; perissodactylus perissó ( s ) uneven, lit., beyond the norm, strange (deriv. of périx (prep. and adv.) round about, akin to perí; see PERI-) + -daktylos -DACTYLOUS ]