Hypertext Webster Gateway: "rill"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Rill \Rill\ (r[i^]l), n. [Cf. LG. rille a small channel or
brook, a furrow, a chamfer, OE. rigol a small brook, F.
rigole a trench or furrow for water, W. rhill a row, rhigol a
little ditch. [root]11.]
1. A very small brook; a streamlet.
2. (Astron.) See {Rille}.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Rill \Rill\, v. i.
To run a small stream. [R.] --Prior.
From WordNet (r) 1.7 (wn)
rill
n 1: a small stream [syn: {rivulet}, {run}, {runnel}, {streamlet}]
2: a small channel (as one formed by soil erosion)
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