Home/Rootonym/A great circle or half circle on the earth's surface passing through or between the poles (noun)
A great circle or half circle on the earth's surface passing through or between the poles (noun)
USA Today Rootonym clue · 8 letters · last seen August 3, 2026
Answer
MERIDIAN
The Root
DImeans “day”
In a sentence: The 75th longitude line, a MERIDIAN, cuts through the middle of the Eastern Time Zone in the U.S.
About this clue
The Rootonym clue “A great circle or half circle on the earth's surface passing through or between the poles (noun)” has the answer MERIDIAN (8 letters), built on the root DI, which means “day”. See the full August 3, 2026 Rootonym puzzle for the other three words, or browse all Rootonym answers.