natterjack

noun

1. a European toad, Bufo calamita, that moves by running.

noun

1. a European toad, Bufo calamita, of sandy regions, having a greyish-brown body marked with reddish warty processes: family Bufonidae

n.1769, rare kind of British toad with a yellow stripe on its back; second element probably proper name jack (q.v.); for first element, Weekley suggests connection with attor “poison” (cf. attercop).