Cryptic crossword clue
Dictionary publisher‘s change involving a couple of lines

The most common and most likely answer to this crossword clue is the 7 letter word COLLINS

I've seen this crossword clue in Independent
C
O
L
L
I
N
S


Buddy explains!

The straight part
We know that "Dictionary publisher" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dictionary publisher = collins.
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 COLLINS mean?

COLLINS noun
  1. Any of various alcoholic drinks made with lemon juice, sugar, and carbonated water.

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