This is the 4511th most frequent German word.
männliche
"Male" or "masculine."
In this sentence, 'männliche' is used as an adjective modifying the noun 'Löwe' to indicate its gender.
Der männliche Löwe ist der Anführer des Rudels.
The male lion is the leader of the pride.
Here, 'männliche' describes 'Bevölkerung,' specifying a demographic attribute.
Die männliche Bevölkerung in dieser Region nimmt zu.
The male population in this region is increasing.
In this case, 'männlichen' modifies 'Schüler,' referring to the group of male students specifically.