The most common and most likely answer to this crossword clue is the 8 letter word EXPLORER
I've seen this crossword clue in Independent
E
X
P
L
O
R
E
R
More clues leading to the result EXPLORER
- One hopes to discover former Priest retaining lessons of history?
- . He searches place with gold in meet of rivers
- At the centre of next spy plot, free warrior and adventurer
- One discovers knowledge preserved by old priest
- Maybe Livingstone no longer wants publicity about ‘traditional learning’
- Park, perhaps, showing old twisted rope around lake, right?
- Once, Pole travelled around river with king and Columbus, for example
- River runs round place men scout
- Pioneer from Poland gets minerals to railhead
Buddy explains!

The straight part
We know that "scout" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case scout = explorer.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 EXPLORER mean?
EXPLORER noun- One who explores something
- A person who by means of travel (notably an expedition) searches out new information.
- Any of various hand tools, with sharp points, used in dentistry.
- A visual representation of a file system etc. through which the user can navigate.