Deciduous

(a.) Falling off, or subject to fall or be shed, at a certain season; as, deciduous trees; the deciduous membrane; 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.

Thesaurus Entries

arborary, arboreal, arboreous, arborescent, arboresque, arborical, arboriform, brittle, bushlike, bushy, capricious, changeable, citrous, collapsing, coniferous, corruptible, declining, declivitous, decurrent, dendriform, dendritic, dendroid, descendant, descending, down, down-reaching, downcoming, downfalling, downgoing, downhill, downsinking, downward, drooping, dropping, dying, ephemeral, evanescent, evergreen, fading, falling, fickle, fleeting, flitting, fly-by-night, flying, fragile, frail, fugacious, fugitive, half-hardy, hardwood, hardy, impermanent, impetuous, impulsive, inconstant, insubstantial, momentary, mortal, mutable, nondeciduous, nondurable, nonpermanent, on the descendant, on the downgrade, passing, perennial, perishable, piny, plummeting, plunging, sagging, scrubbly, scrubby, scrublike, setting, short-lived, shrubby, shrublike, sinking, softwood, submerging, subsiding, temporal, temporary, tottering, transient, transitive, transitory, treelike, tumbledown, undurable, unenduring, unstable, volatile