Definition of caducous in English:



  • (of an organ or part) easily detached and shed at an early stage.

    ‘poppies have caducous sepals that are shed after the bud has opened’
    • ‘The caducous trees prevail, such as ñire, lenga, rauli and pellín oak, although there are also perennial trees such as cypress, and canas, rushes, etc.’
    • ‘He states that the verification of the occurrence of bracteoles could be useful, because there is a tendency to use ‘absent’ for ‘caducous’, which could lead to erroneous conclusions.’
    • ‘It had aseptate hyphae and sporangia were papillate, both caducous and non-caducous, and their shape ranged from ovoid to elongate and distorted.’
    • ‘Reproduction and dispersion are doubtless accomplished by the caducous branchlets.’
    • ‘In the poppy family, the sepals are caducous.’


Late 17th century (in the sense ‘epileptic’): from Latin caducus liable to fall (from cadere to fall) + -ous.