: any of a genus (Usnea of the family Parmeliaceae) of widely distributed lichens (such as old-man's beard) that have a grayish or yellow pendulous freely branched thallus
Examples of usnea in a Sentence
Recent Examples on the Web
The usnea—also called old-man's beard—looked ethereal in the dappled afternoon sunlight.
—
Hannah Wallace, Condé Nast Traveler, 6 Aug. 2021
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Hannah Wallace, Condé Nast Traveler, 6 Aug. 2021
Dictionary Entries Near usnea
Cite this Entry
“Usnea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/usnea. Accessed 14 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share