Definify.com
Webster 1913 Edition
Rille
Rille
(rĭl)
, Noun.
[G.
rille
a furrow.] (Astron.)
One of certain narrow, crooked valleys seen, by aid of the telescope, on the surface of the moon.
Definition 2024
Rille
Rille
rille
rille
See also: Rille
English
Noun
rille (plural rilles)
- (planetology) A long, narrow depression in that resembles a channel, found on the surface of various lunar and planetary bodies.