rill

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/rɪl/US:USA pronunciation: respellingUSA pronunciation: respelling(ril)


WordReference Random House Unabridged Dictionary of American English © 2025
rill1  (ril),USA pronunciation n. 
    1. a small rivulet or brook.
    • Dutch or Low German; compare Frisian ril
    • 1530–40

rill2  (ril),USA pronunciation n. [Astron.]
  1. Astronomyany of certain long, narrow, straight or sinuous trenches or valleys observed on the surface of the moon.
Also, rille. 
  • German Rille; see rill1
  • 1885–90

Collins Concise English Dictionary © HarperCollins Publishers::
rill / rɪl/
  1. a brook or stream; rivulet
  2. a small channel or gulley, such as one formed during soil erosion
  3. Also: rille one of many winding cracks on the moon
Etymology: 15th Century: from Low German rille; related to Dutch ril
'rill' also found in these entries (note: many are not synonyms or translations):
Merrill's Marauders - Morrill Act - drill - rillet - sike - stream

Forum discussions with the word(s) "rill" in the title:


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