transom /tranˈsəm/

1. A structure dividing a window horizontally
2. A lintel
3. (also transom window) a small window over the lintel of a door or window
4. A crosspiece
5. A crossbeam
6. Any of several crossbeams used to strengthen the stern of a vessel

• three-point landing
• three-point landings
• three-point turn
• three-point turns
• twayblade
• twayblades
• tweak
• tweaked
• tweaker
• tweakers
• tweaking
• tweakings
• tweaks
• twee
• tweed
• tweedier
• tweediest
• tweedily
• tweediness
• tweedinesses
• tweedle
• tweedled
• tweedledee
• Tweedledee and Tweedledum
• tweedledeed