Home/USA Today 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)
Looking for the answer to the USA Today Rootonym clue “A great circle or half circle on the earth's surface passing through or between the poles (noun)”? The solution is MERIDIAN, a 8-letter word built on the root DI (“day”). It appeared in the August 3, 2026 (Monday) USA Today Rootonym. See the full puzzle for that day's other words.
Answer
MERIDIAN
****DI**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”. Browse the full August 3, 2026 Rootonym puzzle for the other three words, or see all Rootonym answers.