The most common and most likely answer to this crossword clue is the 8 letter word ORDINATE
I've seen this crossword clue in Financial Times
O
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More clues leading to the result ORDINATE
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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 ORDINATE mean?
ORDINATE noun- The second of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (Cartesian coordinate) axes.
- The vertical line representing an axis of a Cartesian coordinate system, on which the ordinate (sense above) is shown.
- To ordain a priest, or consecrate a bishop
- To align a series of objects
- Arranged regularly in rows; orderly; disposed or arranged in an orderly or regular fashion.