He keeps a jack and spare tire in the 'trunk'.
a 'trunk' full of clothes
the 'trunk' of an artery
(..) What? Harry-- Harry, who? Harry Potter, of course. I think I'd know if Harry Potter was in my house, wouldn't I? His trunk's in the kitchen... and his owl. But no, dear. I seriously doubt that. Harry? Did someone say Harry? (..)2009 Harry Potter and the Half-Blood Prince
(..) I'll go back tomorrow, make some excuse. Oh you'll not be returning to Little Whinging tonight, Harry. But sir, what about Hedwig? And my trunk? Both are waiting for you. Hedwig? Mom? Ginny, what is it? (..)2009 Harry Potter and the Half-Blood Prince