Deciduous definition

dĭ-sĭjo͝o-əs
Shedding or losing foliage at the end of the growing season.

Deciduous trees.

adjective
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Falling off or shed at a specific season or stage of growth.

Deciduous antlers; deciduous leaves.

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Falling off or out at a certain season or stage of growth, as some leaves, antlers, insect wings, or milk teeth.
adjective
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Shedding leaves annually.
adjective
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Shedding leaves at the end of a growing season and regrowing them at the beginning of the next growing season. Most deciduous plants bear flowers and have woody stems and broad rather than needlelike leaves. Maples, oaks, elms, and aspens are deciduous.
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Of or relating to the primary teeth.
adjective
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Short-lived; temporary.
adjective
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Relating to the primary teeth.
adjective
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Falling off or shed at a particular season or stage of growth, as antlers.
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Transitory, ephemeral, not lasting.
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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.

A tree that loses its leaves annually is an example of a deciduous tree.

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(biology) Describing a part that falls off, or is shed, at a particular time or stage of development.
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(botany) Of or pertaining to trees which lose their leaves in winter or the dry season.
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Origin of deciduous

  • From Latin dēciduus from dēcidere to fall off dē- de- cadere to fall kad- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin dēciduus (“falling down or off”), from dēcidō (“fall down”)

    From Wiktionary