- a small rivulet or brook.
Origin of rill1
- any of certain long, narrow, straight or sinuous trenches or valleys observed on the surface of the moon.
Origin of rill2
Examples from the Web for rill
Others, though, trained on Lange-ian principles, will rill rise and fill the gap.HIV’s Greatest Foe Went Down With MH17
July 18, 2014
The birds were not in the firs, but in the ash-trees along the course of the rill.Round About a Great Estate
“The head of this rill of water will bring us to the spring,” he said.The Young Oarsmen of Lakeview
An' now I understood 'em like I see 'em for the first time, rill face to face.
Written invites, she rags out in her rill best dress, for parties.
The yard's all lit up nice, like fer comp'ny,' she says, rill pleased.
- a brook or stream; rivulet
- a small channel or gulley, such as one formed during soil erosion
- Also: rille one of many winding cracks on the moon
Word Origin and History for rill
"small brook, rivulet," 1530s, from or related to Dutch and Frisian ril, Low German rille "groove, furrow, running stream," probably from Proto-Germanic *ril- (cf. Old English rið, riþe "brook, stream," which survives only in dialects), a diminutive form from PIE root *reie- "to run, flow" (see Rhine).