deciduous

adj. 1 (of a tree) shedding leaves annually. 2 (of leaves, horns, teeth, etc.) Shed periodically. [latin cado fall]

a. Falling off, or subject to fall or be shed, at a certain season, or a certain stage or interval of growth, as leaves (except of evergreens) in autumn, or as parts of animals, such as hair, teeth, antlers, etc.; also, shedding leaves or parts at certain seasons, stages, or intervals; as, deciduous trees; the deciduous membrane.