The most common and most likely answer to this crossword clue is the 8 letter word ACREAGES
I've seen this crossword clue in The Daily Telegraph
A
C
R
E
A
G
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S
More clues leading to the result ACREAGES
Buddy explains!
The straight part
We know that "Measures" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case measures = acreages.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 ACREAGES mean?
ACREAGES noun- Size, as measured in acres.
- An area of land measured in acres.