Chimonanthus praecox chi·mo·nant·huspraecox uncommon noun 1. deciduous Japanese shrub cultivated for its fragrant yellow flowers SynonymsJapan allspiceJapanese allspicewinter sweetChimonanthus praecox Related words Broader terms shrub Parts Chimonanthus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.