transom Synonyms

louverwork transverse touchhole swingletree summer stud strut stern SPAR skylight skeleton singletree trave traverse ventiduct traverses crosses cross-beam transom window fanlight casement window bow window naris windowpane window whippletree sill shaft scaffold header girder doubletree crosspiece crossbeam crossbar companion clearstory casement beam bar hopper joist ledger rung rafter putlog porthole port pane oriel