caducous

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Related to caducously: caduceus

ca·du·cous

 (kə-do͞o′kəs, -dyo͞o′-)
adj.
Dropping off or shedding at an early stage of development, as the gills of most amphibians or the sepals or stipules of certain plants.

[From Latin cadūcus, falling, from cadere, to fall; see kad- in Indo-European roots.]

caducous

(kəˈdjuːkəs)
adj
(Biology) biology (of parts of a plant or animal) shed during the life of the organism
[C17: from Latin cadūcus falling, from cadere to fall]

ca•du•cous

(kəˈdu kəs, -ˈdyu-)

adj.
1. Bot. dropping off very early, as leaves.
2. Zool. subject to shedding.
[1675–85; < Latin cadūcus unsteady, perishable =cad(ere) to fall + -ūcus adj. suffix; see -ous]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.caducous - shed at an early stage of development; "most amphibians have caducous gills"; "the caducous calyx of a poppy"
biological science, biology - the science that studies living organisms
lasting, persistent - retained; not shed; "persistent leaves remain attached past maturity"; "the persistent gills of fishes"