This is the 172nd most frequent Finnish word.
miesten
"Of men" or "men's" (possessive form).
In this sentence, 'miesten' is the plural genitive form of 'mies' indicating possession, meaning 'of the men'.
Miesten takit roikkuvat naulakossa.
The men's coats are hanging on the rack.
In this context, 'miesten' modifies the word 'tournament', indicating that the tournament is for men.
Miesten turnauksessa oli paljon jännitystä.
There was a lot of excitement in the men's tournament.
Here, 'miesten' is used in the plural genitive form to describe that the changing room belongs to the men.