from The American Heritage® Dictionary of the English Language, 4th Edition
- 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 Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of a part of an organism, disappearing in the normal course of development.
- adj. Tending to fall early.
from the GNU version of the Collaborative International Dictionary of English
- Dropping off or disappearing early, as the calyx of a poppy, or the gills of a tadpole.
from The Century Dictionary and Cyclopedia
- Having a tendency to fall or decay.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. shed at an early stage of development
From Latin cadūcus, falling, from cadere, to fall; see kad- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin cadūcus ("falling; transitory"). (Wiktionary)