Related Clues:

• School furniture
• It may go in a lock
• Ocean liner, for one
• It's often in a cubicle
• Place for a pigeonhole
• Mail out
• Furniture item
• Schoolroom furniture
• Send in a crate
• Rolltop, for one
• Mail away
• Scow or skiff
• Anchor's milieu
• Escritoire, e.g.
• Newsroom fixture