Hypertext Webster Gateway: "Perissodactyla"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Perissodactyla \Per`is*so*dac"ty*la\, n. pl. [NL., from Gr. ?
odd (fr. ? over) + ? finger.] (Zo["o]l.)
A division of ungulate mammals, including those that have an
odd number of toes, as the horse, tapir, and rhinoceros; --
opposed to Artiodactyla.
From WordNet (r) 1.7 (wn)
Perissodactyla
n : nonruminant ungulates: horses; tapirs; rhinoceros; extinct
forms [syn: {Perissodactyla}, {order Perissodactyla}]
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