The most common and most likely answer to this crossword clue is the 9 letter word MIGRATION
I've seen this crossword clue in The Guardian
M
I
G
R
A
T
I
O
N
More clues leading to the result MIGRATION
- Fighter helping movement of the people
- Russian aircraft helping removal from one country to another
- Russian aircraft helping mass movement
- Aircraft designers apportion movement from one part to another
- Russian aircraft helping movement of people?
- Mobile roaming — it means moving from one area to another!
- Mass movement tiring Mao terribly
- Ex-Soviet jet helping movement of refugees?
Buddy explains!
The straight part
We know that "movement of the people" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case movement of the people = migration.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 MIGRATION mean?
MIGRATION noun- An instance of moving to live in another place for a while.
- Seasonal moving of animals, as mammals, birds or fish, especially between breeding and non-breeding areas.
- Movement in general.
- Instance of changing a platform from an environment to another one.
- The movement of cells in particular directions to specific locations.