rain tree

Short definition from Wiktionary

Noun

1. 1
   A tropical American tree (Albizia saman) having bipinnate leaves, globose clusters of flowers with crimson stamens, and sweet-pulp pods eaten by cattle, also used as an ornamental.
2. 2
   Philenoptera violacea (apple-leaf), native to Africa.
3. 3
   Brunfelsia spp.
4. 4
   Golden rain tree (Koelreuteria paniculata)
5. 5
   Alternative form of rain tree.