trashbox noun3 •A receptacle for trash.Sitting on a trashbox at a coiner was an old man in rags, and Carleton forced his shoulders back in a gesture of contempt for this old bastard — he would never be like that. — 1967 •An electronic folder for deleted electronic mail.Liam shook his head, and clicked on inbox. Wasn't much in it, or in the outbox, or in the trashbox. — 1999 •Synonym of flophouse.In the course of his statement to the investigating police officers, defendant Griffin admitted that he had left the trashbox when he heard who he thought was a night watchman pass by. — 2014 formstrashboxes