Answer: rill

AnswerCrossword Clue
RILLWee brook
RILLVery small brook.
RILLBabbling brook.
RILLStream in miniature.
RILLPoetic brook.
RILLRunlet.
RILLLittle brook.
RILLModest brook.
RILLTiny stream.
RILLMoon site
RILLRivulet
RILLFreshet
RILLMoon feature
RILLRunnel
RILLTricklet
RILLMoon marking
RILLRivulet.
RILLLittle streamlet
RILLWater source
RILLSmall water source
RILLValley on the moon
RILLSmall rivulet
RILLJunior brook?
RILLVery small brook
RILLWatery channel
RILLBabbling brook
rillA narrow groove carved by erosion.
rillA narrow groove carved by erosion
rillany of certain long, narrow, straight or sinuous trenches or valleys observed on the surface of the moon
rillA small stream
rillsmall rivulet or brook
RILLStream
RILLSmall stream
RILLWatercourse
RILLJunior brook
RILLBrook
RILLStreamlet
RILLLittle brook
RILLBrooklet
RILLLunar valley