The definition of deciduous is something that sheds after a period of time, such as a tree or a shrub that sheds its leaves annually or the milk teeth of a mammal that are shed as the mammal grows.(adjective)
A tree that loses its leaves annually is an example of a deciduous tree.
See deciduous in Webster's New World College Dictionary
Origin: L deciduus < decidere, to fall off < de-, off, down + cadere, to fall: see case
See deciduous in American Heritage Dictionary 4
Origin: From Latin dēciduus
Origin: , from dēcidere, to fall off
Origin: : dē-, de-
Origin: + cadere, to fall; see kad- in Indo-European roots.
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