The Collaborative International Dictionary of English v.0.48:

Caudate \Cau"date\, Caudated \Cau"da*ted\ a. [L. cauda tail.]
   Having a tail; having a terminal appendage like a tail.
   Opposite of acaudate.
   [1913 Webster + WordNet 1.5]

WordNet (r) 3.0 (2006):

caudate
    adj 1: having a tail or taillike appendage [syn: caudate,
           caudated] [ant: acaudal, acaudate]
    2: (of a leaf shape) tapering gradually into a long taillike tip
    n 1: a tail-shaped basal ganglion located in a lateral ventricle
         of the brain [syn: caudate nucleus, caudate]
    2: amphibians that resemble lizards [syn: urodele, caudate]