- any of several shrubs belonging to the genus Physocarpus, of the rose family, having bark that separates into thin layers.
Origin of ninebark
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ninebark
The high-bush cranberries bore white blossoms here and there, and the ninebark bushes were covered with masses of pinkish buds.The Secret Cache
E. C. [Ethel Claire] Brill