Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun transom

2 senses of transom

Sense 1
transom, transom window, fanlight -- (a window above a door that is usually hinged to a horizontal crosspiece over the door)
       => window -- (a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air)

Sense 2
transom, traverse -- (a horizontal crosspiece across a window or separating a door from a window over it)
       => crosspiece -- (a transverse brace)