{Kangaroo apple} (Bot.), the edible fruit of the Tasmanian plant {Solanum aviculare}. {Kangaroo grass} (Bot.), a perennial Australian forage grass ({Anthistiria australis}). {Kangaroo hare} (Zo["o]l.), the jerboa kangaroo. See under {Jerboa}. {Kangaroo mouse}. (Zo["o]l.) See {Jumping mouse}, under {Jumping}. {Kangaroo rat} (Zo["o]l.), the potoroo.