The children played in the 'vacant lot' [=a piece of land that is not being used] between the two buildings.
There were no 'vacant' apartments in the building. [=there were no empty apartments available to be rented]
('Brit') I found my job through the 'situations vacant' [=('US') 'help wanted'] section of the newspaper.
(..) About the Space in View County. Well, we'll find a tenant. It just takes time. You've been saying that for months, Sully It's still vacant The economy has to take a turn. It feels like, if we lose that space, the next thing will be the house. Lori, we're not gonna lose the house. I'm sorry. (..)2016 Sully