adj.
Pronunciation: di- ' si-j ə -w ə s, -jü- ə s
Function: adjective
Etymology: Latin deciduus, from decidere to fall off, from de- + cadere to fall ― more at CHANCE
Date: 1688
1 : falling off or shed seasonally or at a certain stage of development in the life cycle < deciduous leaves> < deciduous scales>
2 a : having deciduous parts <maples, birches, and other deciduous trees> b : having the dominant plants deciduous <a deciduous forest>
3 : EPHEMERAL
– de · cid · u · ous · ness noun