The most common and most likely answer to this crossword clue is the 8 letter word APERTURE
I've seen this crossword clue in Financial Times
A
P
E
R
T
U
R
E
More clues leading to the result APERTURE
- Rue Petra being redeveloped - it's a hole
- Opening answer cheeky - you're listening
- One fresh flower opening
- . Opening with a quiet introductory piece, nothing very abandoned
- It makes a brief appearance when one snaps
- A fresh river mouth, say?
- Opening a smart university about to close
- Erupt violently, punching 100 square metres to make hole
- Rupert working in A&E: an opening
- Opening a saucy high-class bar here at last
Buddy explains!
The straight part
We know that "mouth, say" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case mouth, say = aperture.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 APERTURE mean?
APERTURE noun- An opening, gap, or hole, usually small and narrow
- Something which restricts the diameter of the light path through one plane in an optical system.
- The diameter of the aperture (in the sense above) which restricts the width of the light path through the whole system. For a telescope, this is the diameter of the objective lens.
- (communications) The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array.
- (of a right circular cone) The maximum angle between the two generatrices.