D defs.my
Entry 1 sense Webster, 1913

Caducous

· Ca·du·cous · IPA /kəˈdjuːkəs/
01 Dropping off or disappearing early, as the calyx of a poppy, or the gills of a tadpole.
  1. 1.
    Dropping off or disappearing early, as the calyx of a poppy, or the gills of a tadpole.(Bot. & Zool.)