Noun: rima
Sample Sentences
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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:]
Nouns inflected like rima
rimoportula,
setula,
semita,
scapha,
sicula,
bistropha,
apertura,
hemidrachma,
zoochlorella,
pseudonavicella,
chartula,
reticula,
fasciola,
pterygomaxillary fossa,
glenoid fossa,
rhamphotheca,
subucula,
synusia,
filopluma,
gonotheca, etc. (List truncated at 20 nouns)
Etymology
Borrowing from Latin rīma (“a cleft, crack, fissure, chink”). See: Latin Nouns '
rīma'.