Cryptic crossword clue
A ram? One is 4 7

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

I've seen this crossword clue in Financial Times
A
B
U
T
T
E
R


Buddy explains!

The straight part
We know that "One is 4" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one is 4 = abutter.
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 ABUTTER mean?

ABUTTER noun
  1. One who, or that which, abuts, specifically, the owner of a contiguous estate.

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