Definition of Rilles. Meaning of Rilles. Synonyms of Rilles
Here you will find one or more explanations in English for the word Rilles.
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Definition of Rilles
Rille Rille Rille (r[i^]l), n. [G. rille a furrow.] (Astron.)
One of certain narrow, crooked valleys seen, by aid of the
telescope, on the surface of the moon.