rima
noun/ˈɹaɪ.mə/
Etymology Borrowing from Latin rīma (“a cleft, crack, fissure, chink”).
2
Astronomy, Natural sciences A crack or fissure on a lunar or planetary surface; a rille.
- Look for three prominent interior craters, as well as an ancient rima falling near the shadow's edge.2006, Tammy Plotner, Jeff Barbour, What's Up 2006: 365 Days of Skywatching, page 128:
- Related terms
- ottava rima, terza rima