any of several crosswise timbers or beams secured to the sternpost of a boat
the planking forming the stern of a square-ended boat
= lintel
a horizontal crossbar in a window, over a door, or between a door and a window above it: compare mullion1
the horizontal bar or member of a cross or gallows
a horizontal crossbar used to strengthen a structure, e.g. a lintel or a bar over a door
NAmer a window above a door or other window, built on and commonly hinged to a transom; a fanlight
transomed adj
[Middle English traunsom, alteration of traversayn, from Old French traversia, from traverser: see traverse1]