This is the 10742nd most frequent Portuguese word.
holandês
Dutch.
Here, 'holandês' is used as an adjective describing the nationality of the friend.
O amigo que conheci ontem é holandês.
The friend I met yesterday is Dutch.
In this context, 'holandês' refers to the Dutch language.
Eu estou aprendendo a falar holandês.
I am learning to speak Dutch.
Here, 'holandês' is a noun used to denote a person from the Netherlands.