transom
2 synonyms for transom, grouped by meaning and by how common each one is.
Noun — A horizontal bar fixed across the top of a doorway.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
Came into English via Middle English traunsom, probably an alteration of Latin trānstrum ("crossbeam").
Full origin of transom →