variants
or rille
ˈril 
ˈri-lə
: any of several long narrow valleys on the moon's surface
Examples of rill in a Sentence
Noun (1)
there are a few tiny fish in the rill
Recent Examples on the Web
Natalie Hoberman, Forbes, 22 Feb. 2025
Earthbound telescopes saw rills or gullies that later proved to be collapsed lava tubes.
—David Szondy, New Atlas, 16 July 2024
These rills form as the desiccating winds of the Sahara blow tiny bits of sand across the rock.
—Bethany Brookshire, Scientific American, 27 June 2024
Now a little rill of wavelets across the surface of the flood was the only thing that marked the river’s usual borders.
—Brooke Jarvis, New York Times, 31 May 2023
Over millions of years, the river and its tributaries have carved a fanlike rill of dramatic canyons out of the ancient sediments of the Mesa Verde tablelands, a maze of vertiginous stone walls.
—Jeff Wise, Discover Magazine, 19 May 2010
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Noun
His verses evoke sacred rivers, fertile grounds and gardens bright with sinuous rills—a lyrical world beyond the inauspicious reality of its start-point.
—Natalie Hoberman, Forbes, 22 Feb. 2025
Earthbound telescopes saw rills or gullies that later proved to be collapsed lava tubes.
—David Szondy, New Atlas, 16 July 2024
These rills form as the desiccating winds of the Sahara blow tiny bits of sand across the rock.
—Bethany Brookshire, Scientific American, 27 June 2024
Now a little rill of wavelets across the surface of the flood was the only thing that marked the river’s usual borders.
—Brooke Jarvis, New York Times, 31 May 2023
Over millions of years, the river and its tributaries have carved a fanlike rill of dramatic canyons out of the ancient sediments of the Mesa Verde tablelands, a maze of vertiginous stone walls.
—Jeff Wise, Discover Magazine, 19 May 2010
Cite this Entry
“Rill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rill. Accessed 4 Nov. 2025.
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