'Milkweed' definitions:
Definition of 'milkweed'
(from WordNet)
noun
Any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts [syn: milkweed, silkweed]
noun
Annual Eurasian sow thistle with soft spiny leaves and rayed yellow flower heads [syn: milkweed, Sonchus oleraceus]
Definition of 'Milkweed'
From: GCIDE
- Milkweed \Milk"weed`\, n. (Bot.) Any plant of the genera Asclepias and Acerates, abounding in a milky juice, and having its seed attached to a long silky down; silkweed. The name is also applied to several other plants with a milky juice, as to several kinds of spurge. Its leaves are a favorite food source for the larvae of the monarch butterfly. [1913 Webster]