[milk-weed] 
| 1. | any of several plants that secrete a milky juice or latex, esp. those of the genus Asclepias, as A. syriaca. Compare milkweed family. |
| 2. | any of various other plants having a milky juice, as certain spurges. |
| milk·weed (mĭlk'wēd') n. Any of numerous plants of the genus Asclepias, having milky juice, usually opposite leaves, variously colored flowers grouped in umbels, and pods that split open to release seeds with downy tufts. Also called silkweed. |
