| See under loosestrife (def. 1). |
| 1. | any of various plants belonging to the genus Lysimachia, of the primrose family, having clusters of usually yellow flowers, as L. vulgaris (garden loosestrife) or L. quadrifolia (whorled loosestrife). |
| 2. | any of several plants belonging to the genus Lythrum, of the loosestrife family. |