spadefoot noun5 •Any member of several groups of burrowing toads, with a spadelike appendage on the hind legs. •Scaphiopodidae spp. (American spadefoot toads) •Borneophrys (Edwardina's spadefoot toads) •Pelobates (European spadefoot toads) •Notaden (Australian spadefoots) formsspadefeet · spadefoots