Search Result for "caducous": 
Wordnet 3.0

ADJECTIVE (1)

1. shed at an early stage of development;
- Example: "most amphibians have caducous gills"
- Example: "the caducous calyx of a poppy"
[syn: caducous, shed]



The Collaborative International Dictionary of English v.0.48:

Caducous \Ca*du"cous\, [L. caducus falling, inclined to fall,
   fr. cadere to fall. See Cadence.] (Bot. & Zool.)
   Dropping off or disappearing early, as the calyx of a poppy,
   or the gills of a tadpole.
   [1913 Webster]


WordNet (r) 3.0 (2006):

caducous
    adj 1: shed at an early stage of development; "most amphibians
           have caducous gills"; "the caducous calyx of a poppy"
           [syn: caducous, shed] [ant: lasting, persistent]