monarch butterfly

noun

: a large migratory American butterfly (Danaus plexippus) that has orange-brown wings with black veins and borders and a larva that feeds on milkweed

Illustration of monarch butterfly

Illustration of monarch butterfly

Examples of monarch butterfly 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.
The move comes five years after the first Trump administration declined to give the monarch butterfly protections. Ashleigh Fields, The Hill, 18 Mar. 2025 Good news: The eastern monarch butterfly population nearly doubled this year at their wintering grounds in Mexico. Axios, 18 Mar. 2025 At a festival last September in Minneapolis meant to celebrate the monarch butterflies' migration before winter, some monarch enthusiasts noted that the insects' prevalence seemed to have dwindled compared with previous years, CBS News Minnesota reported. CBS News, 4 Feb. 2025 In other federal climate action: Officials proposed protecting monarch butterflies, many of which winter along the California coast, under the Endangered Species Act. Sammy Roth, Los Angeles Times, 24 Dec. 2024 See All Example Sentences for monarch butterfly

Word History

First Known Use

1890, in the meaning defined above

Time Traveler
The first known use of monarch butterfly was in 1890

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Cite this Entry

“Monarch butterfly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monarch%20butterfly. Accessed 1 May. 2025.

Kids Definition

monarch butterfly

noun
: a large orange and black American butterfly that migrates in large numbers in the spring and fall and whose larva feeds on milkweed

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