The most common and most likely answer to this crossword clue is the 6 plus 2 letter word REINED IN
I've seen this crossword clue in Financial Times
R
E
I
N
E
D
I
N
More clues leading to the result REINED IN
- Checked loud pitter-patter, might you say?
- Checked what monarch did, abandoning grand home
- Checked on freshwater fish being served up in pub
- Queen of France wants noise controlled
- Checked part in theatre in Edinburgh
- Controlled some of them from there in Edinburg
- Stopped North Indian repudiator coming back
Buddy explains!

The straight part
We know that "Checked" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case checked = reined in.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.