caudatePronunciation: /ˈkɔːdeɪt/Definition of caudate adjective 1 Anatomy relating to or denoting the caudate nucleus. 2 Zoology (of an animal) having a tail. noun short for caudate nucleus.Origin: early 17th century: from medieval Latin caudatus, from cauda 'tail'caudate in other Oxford dictionaries Definition of caudate in the US English dictionary