The most common and most likely answer to this crossword clue is the 8 letter word MERIDIAN
I've seen this crossword clue in The Daily Telegraph
M
E
R
I
D
I
A
N
More clues leading to the result MERIDIAN
- Intend to keep free one noon
- Midday on the Circle line?
- Peak in clear — one near borders
- The setter’s clear on Botham perhaps — the top!
- Clear to be adopted by middle line
- Global ring linking Middle East, central America and India broken up
- Big circle established by fellow, including Queen and dictator
- Iron Maiden, drunk, missing on Circle Line!
- . Catastrophic upset breaks drunk Mani at the summit
- Aid miner haphazardly from surface line running between poles
Buddy explains!
The straight part
We know that "Circle Line" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case circle line = meridian.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MERIDIAN mean?
MERIDIAN noun- The south.
- Midday, noon.
- A great circle passing through the poles of the celestial sphere and the zenith for a particular point on the earth's surface.
- An imaginary great circle on the Earth's surface, passing through the geographic poles, or that half of such a circle extending from pole to pole, all points of which have the same longitude.
- The highest or most developed point of something; culmination, splendour.
- A particular area or situation considered as having a specific identity or characteristic; the tastes or habits of a specific locale, group etc.
- The middle period of someone's life, when they are at full strength or abilities; one's prime.
- A line passing through the poles of any sphere; a notional line on the surface of a round or curved body.
- A dram drunk at midday.
- (acupuncture) Any of the pathways on the body along which the vital energy is thought to flow and, therefore, the acupoints are distributed.
- The size of type between double great primer and canon, standardized as 44-point.
- Meridional; relating to a meridian.
- Relating to noon
- Relating to the highest point or culmination.