larkspur

noun

lark·​spur ˈlärk-ˌspər How to pronounce larkspur (audio)
1
: delphinium
2
: any of the delphiniums that are annuals, have the upper two petals of the corolla united and the bottom two missing, are now often placed in a separate genus (Consolida), and include several widely cultivated forms

Examples of larkspur 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.
Bold shades of poppy and larkspur are featured in denim and recycled leather sets. — Lisa Lockwood, Footwear News, 3 Sep. 2025 The maroon blooms of Jack-in-the-pulpits mesh with purple larkspur in blankets across the ground. — Keith Sharon, Nashville Tennessean, 17 Apr. 2025 For example, a few seeds of larkspur would kill you by alkaloid poisoning. — Literary Hub, 25 Mar. 2026 Dubow says that aside from lilies, foxglove, larkspur, lantana, and autumn crocus are among the most dangerous. — Cori Sears, The Spruce, 13 May 2026 See All Example Sentences for larkspur

Word History

First Known Use

1578, in the meaning defined at sense 1

Time Traveler
The first known use of larkspur was in 1578

Rhymes for larkspur

See All Rhymes for larkspur

Browse Nearby Words

lark sparrow
larkspur
larky
See all Nearby Words

Cite this Entry

“Larkspur.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/larkspur. Accessed 7 Jul. 2026.

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Kids Definition

larkspur

noun
lark·​spur ˈlärk-ˌspər How to pronounce larkspur (audio)
: delphinium
especially : a cultivated delphinium grown for its stalks of showy blue, pink, or white flowers

Medical Definition

larkspur

noun
lark·​spur ˈlärk-ˌspər How to pronounce larkspur (audio)
1
: delphinium sense 2
2
a
: any of various annual Eurasian herbaceous plants (genus Consolida) that were formerly placed in the same genus as the delphiniums
b
: the dried seeds of a European larkspur (Consolida ajacis synonym Delphinium ajacis) used especially in a topical preparation to kill head lice

More from Merriam-Webster on larkspur

Britannica.com: Encyclopedia article about larkspur

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