A torrential rain poured down from the floodgates of the angry heavens upon the bared heads of the assembled multitude which numbered at the lowest computation five hundred thousand persons.
A multitude of things or people is a very large number of them. There are a multitude of small quiet roads to cycle along Addiction to drugs can bring a multitude of other problems. If you say that something covers or hides a multitude of sins, you mean that it hides something unattractive or does not reveal the true nature of something. `Strong, centralized government' is a term that can cover a multitude of sins
You can refer to the great majority of people in a particular country or situation as the multitude or the multitudes. The hideous truth was hidden from the multitude
A great number of persons or things, regarded collectively; as, the book will be read by a multitude of people; the multitude of stars; a multitude of cares