1. Any rosaceous plant of the genus Spiraea; has sprays of small white or pink flowers
   "The spiraea's sweet fragrance filled the air";
   - spirea [N. Amer], meadowsweet
    
2. A Japanese shrub that resembles members of the genus Spiraea; widely cultivated in many varieties for its dense panicles of flowers in many colours; often forced by florists for Easter blooming
   "The spiraea's feathery pink blooms were perfect for the spring garden";
   - spirea [N. Amer], Astilbe japonica

1. A dicotyledonous genus of the family Rosaceae
   - genus Spiraea

Derived forms: spiraeas

Type of: astilbe, bush, rosid dicot genus, shrub

Part of: family Rosaceae, Rosaceae, rose family

Encyclopedia: Spiraea