RUNNEL
rivulet, rill, run, runnel, streamlet
(noun) a small stream
Source: WordNet® 3.1
Etymology
Noun
runnel (plural runnels)
A small stream, a rivulet.
Verb
runnel (third-person singular simple present runnels, present participle (US) runneling or (UK) runnelling, simple past and past participle (US) runneled or (UK) runnelled)
To create channels for directing the flow of liquid.
Anagrams
• lunner
Source: Wiktionary
Run"nel, n. Etym: [From Run. Cf. Rundle.]
Definition: A rivulet or small brook.
Buddling rundels joined the sound. Collins.
By the very sides of the way . . . there are slow runnels, in which
one can see the minnows swimming. Masson.
Source: Webster’s Unabridged Dictionary 1913 Edition