Crossword Genius

Group, e.g. of soldiers or students (6)

Ross

I believe the answer is:

cohort

(Other definitions for cohort that I've seen before include "Tenth part of a Roman legion" , "Ancient Roman military unit" , "Group of similar people" , "One-tenth of a Roman legion, or a group of people" , "Fighting band; part of Roman legion" .)

I've seen this clue in The Guardian.
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