rille en · NOUN
Pronunciation
- /ˈɹɪlə/
- /ɹɪl/
Etymology
Borrowed from German Rille (“channel”).
Meanings
- A long, narrow depression that resembles a channel, found on the surface of various lunar and planetary bodies.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| rilles | Number=Plur | lexicographic | |
| rill | alternative | lexicographic |