The most common and most likely answer to this crossword clue is the 7 letter word SPRAINT
S
P
R
A
I
N
T
Buddy explains!
The straight part
We know that "Is it squidged in pats round either edge of river?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case is it squidged in pats round either edge of river? = spraint.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 SPRAINT mean?
SPRAINT noun- A piece of otter dung. Usually used when referring to the observation and tracking of otters.