shepherd moon

noun

Meaning

A small moon that orbits near the outer edges of a planetary ring or within gaps in the ring. The edge of the ring remains sharply defined owing to the gravity of shepherd moons.

Etymology / origin

No prose etymology has been added yet.

No ancestor words have been linked yet.

Related words

moonlet(English)moonmoon(English)submoon(English)moon(English)sub-moon(English)thumbnail moon(English)moon-sickle(English)moone(English)

Descendant words

No descendant words have been linked yet.

Sources

DictionaryAPI.dev English dictionary data