milkweed

noun

milk·​weed ˈmilk-ˌwēd How to pronounce milkweed (audio)
: any of various plants that secrete latex
especially : any of a genus (Asclepias of the family Apocynaceae, the dogbane family) of erect chiefly perennial herbs with milky juice and umbellate flowers

Illustration of milkweed

Illustration of milkweed

Examples of milkweed in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As global temperatures rise, suitable milkweed habitats may shift toward the poles, increasing the distances monarchs must travel. Joseph Epstein, Newsweek, 11 Dec. 2024 This decline is attributed to several factors, including habitat loss and a reduction in essential forage, such as milkweed. Brandi D. Addison, Austin American-Statesman, 10 Dec. 2024 Research in California’s Central Valley by the Xerces Society and University of Nevada-Reno detected 64 different kinds of pesticides in milkweed leaves, the food source for monarch caterpillars. Sharmeen Morrison, The Mercury News, 12 Jan. 2025 The listing would prohibit some activities that destroy milkweed at times when monarchs are present, including the destruction or conversion of wild meadows with milkweed plants on federal lands. Austin Corona, The Arizona Republic, 12 Dec. 2024 See all Example Sentences for milkweed 

Word History

First Known Use

circa 1592, in the meaning defined above

Time Traveler
The first known use of milkweed was circa 1592

Dictionary Entries Near milkweed

Cite this Entry

“Milkweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/milkweed. Accessed 6 Feb. 2025.

Kids Definition

milkweed

noun
milk·​weed ˈmil-ˌkwēd How to pronounce milkweed (audio)
: any of various herbs with milky juice and flowers usually in dense clusters

Medical Definition

milkweed

noun
milk·​weed ˈmilk-ˌwēd How to pronounce milkweed (audio)
: any of various plants that secrete latex
especially : any plant of the genus Asclepias (family Asclepiadaceae, the milkweed family) including several whose dried roots were formerly used medicinally

More from Merriam-Webster on milkweed

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