Parachute n. special structure of seeds such us aril, caruncle, pappus, or wing, which aids dispersal by wind;a fold of skin used for gliding as in flying squirrels.

• 种子的特殊构造，如假种皮、脐阜、柔毛或翅等，均有助于风力传播；伞传播体用于滑翔飞行的皮肤褶，见于鼯鼠。