['speidfut]
n.
[动]锄足蟾(亦作spadefoot toad)

[ noun ]
a burrowing toad of the northern hemisphere with a horny spade-like projection on each hind foot
<noun.animal>

Spadefoot \Spade"foot`\ (sp[=a]d"f[oo^]t`), n. (Zo["o]l.)
Any species of burrowing toads of the genus {Scaphiopus},
esp. {Scaphiopus Holbrookii}, of the Eastern United States;
-- called also {spade toad}.