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perissodactyl
(redirected from perissodactylous)

   Also found in: Medical 0.04 sec.
pe·ris·so·dac·tyl  (p-rs-dktl) Zoology
adj.
1. Having an uneven number of toes.
2. Of or relating to certain hoofed mammals, such as horses and rhinoceroses, of the order Perissodactyla, that have an uneven number of toes.
n.
A hoofed mammal of the order Perissodactyla.

[New Latin perissodactylus, from Greek perissodaktulos : perissos, irregular, uneven (from peri, beyond); see per1 in Indo-European roots + daktulos, finger.]

pe·risso·dacty·lous (-dkt-ls) adj.

perissodactyl [pəˌrɪsəʊˈdæktɪl], perissodactyle [pəˌrɪsəʊˈdæktaɪl]
n
(Life Sciences & Allied Applications / Animals) any placental mammal of the order Perissodactyla, having hooves with an odd number of toes: includes horses, tapirs, and rhinoceroses
adj
(Life Sciences & Allied Applications / Animals) of, relating to, or belonging to the Perissodactyla
[from New Latin perissodactylus, from Greek perissos uneven + daktulos digit]
perissodactylous  adj

perissodactyl  (p-rs-dktl)
Any of various hoofed mammals of the order Perissodactyla, having one or three hoofed toes on each hindfoot. During the Tertiary Period, perissodactyls were the dominant herbivorous fauna. Horses, tapirs, and rhinoceroses are perissodactyls. Also called odd-toed ungulate.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.perissodactyl - placental mammals having hooves with an odd number of toes on each foot
hoofed mammal, ungulate - any of a number of mammals with hooves that are superficially similar but not necessarily closely related taxonomically
order Perissodactyla, Perissodactyla - nonruminant ungulates: horses; tapirs; rhinoceros; extinct forms
equid, equine - hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck
rhino, rhinoceros - massive powerful herbivorous odd-toed ungulate of southeast Asia and Africa having very thick skin and one or two horns on the snout
tapir - large inoffensive chiefly nocturnal ungulate of tropical America and southeast Asia having a heavy body and fleshy snout


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