(Science: zoology) Any small jumping rodent of the genus Dipus, especially. D. Aegyptius, which is common in egypt and the adjacent countries. The jerboas have very long hind legs and a long tail.
alternative forms: gerboa.
The name is also applied to other small jumping rodents, as the Pedetes Caffer, of the Cape of good hope.
(Science: zoology) jerboa kangaroo, small Australian kangaroo (Bettongia penicillata), about the size of a common hare.
Origin: ar. Yarb'.