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English definition of “legion”

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legion

noun [C] uk   /ˈliː.dʒən/ us  

legion noun [C] (SOLDIERS)

a large group of soldiers who form a part of an army, especially the ancient Roman army: Caesar's legions marched through France and crossed into Britain.

legion noun [C] (MANY)

legions of sb large numbers of people: He failed to turn up for the concert, disappointing the legions of fans waiting outside.

legion

adjective [after verb] uk   /ˈliː.dʒən/ formal us  
very large in number: The difficulties surrounding the court case are legion.
(Definition of legion from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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