transom

noun

1. 1

   A crosspiece over a door; a lintel.

2. 2

   A horizontal dividing bar in a window.

3. 3

   A transom window.

4. 4

   Any of several transverse structural members in a ship, especially at the stern; a thwart.

5. 5

   The flat or nearly flat stern of a boat or ship.

6. 6

   The horizontal beam on a cross or gallows.

7. 7

   (usually attributively) Items that have arrived over the transom.

   “They only met the deadline by working most of the night and making a transom filing.”