a delicate coloured part of a flower. The head of a flower is usually made up of several petals around a central part. 花瓣 Topics Plants and treesc1Oxford Collocations DictionaryPetal is used after these nouns:- flower
- rose
Word Originearly 18th cent.: from modern Latin petalum (in late Latin ‘metal plate’), from Greek petalon ‘leaf’, neuter (used as a noun) of petalos ‘outspread’.