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
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One group hoisted a set of fabric monarch butterflies into the air. Rebecca Noel, Charlotte Observer, 2 May 2026 Milkweeds are also the only plants that monarch butterfly caterpillars feed from! Lauren Landers, The Spruce, 2 May 2026 The plant expert advises selecting plants that will attract pollinators like salvia for hummingbirds and milkweed for monarch butterflies. Patricia Shannon, Southern Living, 1 May 2026 The monarch butterflies are migrating through South Texas on their way north to the Midwest and Canada. Calvin Finch, San Antonio Express-News, 28 Apr. 2026 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 14 May. 2026.

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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