a metal or wooden frame a small rectangular opening a door, flap, or lid covering the opening hinges or a latch to keep the door closed a slot for inserting mail or packages
mailslot which is a metal or wooden frame mailslot which is a small rectangular opening mailslot which is a door, flap, or lid covering the opening mailslot which has hinges or a latch to keep the door closed mailslot which is a slot for inserting mail or packages