WordNet sense 1 (a tail-shaped basal ganglion located in a lateral ventricle of the brain):

caudate nucleus

WordNet sense 2 ((botany) of leaf shapes; of leaves having no divisions or subdivisions):

simple, unsubdivided

WordNet sense 3 (amphibians that resemble lizards):

urodele

WordNet sense 4 (having a tail or taillike appendage):

caudated