|
|
 |
|
|
|
|
| knap·weed [ náp wd ] (plural knap·weeds or knap·weed) |
noun |
|
| Definition: |
| |
purple-flowered thistle: a thistle plant. Flowers: purple, grouped in a head. Latin name Centaurea nigra.
|
| [Early 16th century. Alteration of knopweed< variant of knob; from the shape of its cluster of flowers] |
|
|
|
