1. An unusual, strange, or distinctive corridor, tunnel, or narrow passage that is notably different from ordinary passageways
The mansion contained a peculiar passageway hidden behind the bookshelf.
A mansão continha uma passagem peculiar escondida atrás da estante de livros.
2. A route or channel with unique or distinctive characteristics that sets it apart from typical passages
The old castle featured several peculiar passageways connecting different wings.
O antigo castelo tinha várias passagens peculiares conectando diferentes alas.