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Added 9 October 2026

rille

/ɹɪl/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about rille at Wordnik → Where our words come from →

A long, narrow depression that resembles a channel, found on the surface of various lunar and planetary bodies.

Origin

Borrowed from German Rille (“channel”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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