1. a horizontal crossbar above a door or window
Usage: architecture
2. a window above a door or another window
Usage: architecture
3. the flat surface forming the stern of a boat
Usage: nautical

Examples

• The old house featured a beautiful stained glass transom above the front door.
• Light filtered through the transom window into the hallway.
• The architect designed decorative transoms for each doorway.
• The boat’s transom was painted bright blue.
• They installed a transom to let more natural light into the room.
• The captain checked the transom for any damage after the storm.
• Victorian homes often have ornate transoms above their entrances.