What is "true toad"

n. tailless amphibian similar to a frog but more terrestrial and having drier warty skin

The true toads are the family Bufonidae, members of the order Anura (frogs and toads). They are the only family of anurans in which all members are known as " toads", although some may be called frogs (such as harlequin frogs). The bufonids now comprise more than 35 genera, Bufo being the most widespread and well known.