butterwort

noun

but·​ter·​wort ˈbə-tər-ˌwərt How to pronounce butterwort (audio)
-ˌwȯrt
: any of a genus (Pinguicula) of herbs of the bladderwort family with fleshy leaves that produce a viscid secretion serving to capture and digest insects

Examples of butterwort 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 peat is fed by a decaying layer of sphagnum moss, sundew, and butterwort, which deepens a millimeter a year. Aaron Hicklin, Travel + Leisure, 19 Jan. 2024 Both species are described in a study published March 24 in the journal PhytoKeys and part of the butterworts group. Laura Baisas, Popular Science, 27 Mar. 2023 Lesser known than other carnivorous plants, the butterwort is the flypaper of the carnivorous plant world. Allison Futterman, Discover Magazine, 6 Dec. 2021

Word History

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of butterwort was in 1597

Cite this Entry

“Butterwort.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/butterwort. Accessed 1 Jul. 2026.

More from Merriam-Webster on butterwort

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster