[ dɪ'sɪdjʊəs ]
■ adjective
1》 (of a tree or shrub) shedding its leaves annually. Often contrasted with evergreen .
2》 denoting the milk teeth of a mammal, which are shed after a time.
Derivatives
~ly adverb
~ness noun
Origin
C17: from L. deciduus (from decidere 'fall down or off') + -ous .