Definition of 'spiraea'
- a Japanese shrub that resembles members of the genus Spiraea; widely cultivated in many varieties for its dense panicles of flowers in many colors; often forced by florists for Easter blooming
Synonyms: spirea Astilbe japonica
- any rosaceous plant of the genus Spiraea; has sprays of small white or pink flowers
- a dicotyledonous genus of the family Rosaceae
Synonyms: genus Spiraea