This is the 7434th most frequent Portuguese word.
monte
"Monte" means "hill" or "mount" in English.
'Monte' here is used metaphorically to mean 'a lot' or 'a group' of individuals.
Há um monte de pessoas na festa.
There are a lot of people at the party.
'Monte' is used literally here to refer to a 'hill' or an elevated location in the terrain.
Visitamos um monte muito bonito durante a viagem.
We visited a very beautiful hill during the trip.
Here, 'monte' signifies a metaphorical 'heap' or a collected quantity of experiences.