The most common and most likely answer to this crossword clue is the 5 letter word WIDTH
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More clues leading to the result WIDTH
Buddy explains!

The straight part
We know that "Measurement" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case measurement = width.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 WIDTH mean?
WIDTH noun- The state of being wide.
- The measurement of the extent of something from side to side.
- A piece of material measured along its smaller dimension, especially fabric.
- The horizontal distance between a batsman and the ball as it passes him.
- The use of all the width of the pitch, from one side to the other.