1. shedding leaves annually; falling off at maturity or at certain seasons
Usage: botany
2. falling out or shed at a particular stage of growth
Usage: biology; medicine

Examples

• Oak and maple trees are deciduous, losing their leaves each fall.
• The deciduous forest was bare in winter but lush in summer.
• Children have deciduous teeth that fall out as they grow.
• Most deciduous trees produce new leaves in spring.
• The park featured both evergreen and deciduous species.
• Baby teeth are also called deciduous teeth by dentists.