pe-tsai pet·sai uncommon noun 1. plant with an elongated head of broad stalked leaves resembling celery; used as a vegetable in east Asia SynonymsChinese cabbagecelery cabbagenapaBrassica rapa pekinensis Related words Broader terms crucifer Parts Brassica WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
