warren
US /ˈwɔːr.ən/
UK /ˈwɔːr.ən/

1.
2.
labirinto, emaranhado
a densely populated or labyrinthine building or district
:
•
The old city was a warren of narrow streets and crowded buildings.
A cidade velha era um labirinto de ruas estreitas e edifícios lotados.
•
He got lost in the warren of corridors in the old hospital.
Ele se perdeu no labirinto de corredores do antigo hospital.