1. a light-bearing device with a protective frame or case, typically made of metal and glass or horn, used to hold and shield a candle or lamp
Usage: archaic or historical spelling variant of 'lantern'; often used in historical or literary contexts
2. a structure or chamber with windows or openings at the top of a building or dome to admit light and air
Usage: architectural term; archaic spelling

Examples

• The night watchman carried a lanthorn to light his way through the dark streets.
• Medieval travelers relied on lanthorns to navigate the roads after sunset.
• The old castle's lanthorn at the top of the tower could be seen for miles.
• She lit the lanthorn and placed it on the table to illuminate the room.
• The ship's lanthorn hung from the mast to signal other vessels in the fog.
• In Shakespeare's time, actors on stage would use a lanthorn to create dramatic lighting effects.