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

• long hauls
• long-head
• long-headed
• long-headedness
• long-heads
• long home
• long hop
• long hops
• longhorn
• longhorns
• longhouse
• longhouses
• long hundred
• long hundredweight
• longicaudate
• longicorn
• longicorns
• longing
• festoonery
• festooning
• festoons
• fests
• festschrift
• festschrifts
• fet