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Adjective: deciduous  di'si-joo-us
  1. (of teeth, antlers, etc.) being shed at the end of a period of growth
    "deciduous teeth"
  2. (of plants and shrubs) shedding foliage at the end of the growing season

See also: broadleaf, broad-leafed, broad-leaved, caducous, shed

Antonym: evergreen

Encyclopedia: Deciduous