In architecture, a transom is a transverse horizontal structural beam or bar, or a crosspiece separating a door from a window above it. This contrasts with a mullion, a vertical structural member. [1]

: a window above a door or other window built on and commonly hinged to a transom

Sep 17, 2025 · On most boats, the transom is the vertical reinforcement at the stern of the boat. There’s definitely a lot of terminology to learn and remember when boating, so we’re here to tell you more …

TRANSOM definition: 1. a horizontal bar of stone or wood across a window, or separating the top of a window or door…. Learn more.

The transom of a boat is the surface that forms its stern. Her name and port of registration (Jersey) are painted on her transom in navy blue.

Oct 25, 2024 · The transom is structurally tied together with the keel and sides of the boat, making it an important part of the vessel’s overall design and construction. While the terms “ stern ” and “transom” …

Aug 6, 2025 · Transom windows let in natural light and pack a visual punch. But what is a transom window? Learn about them and if they’re right for your home.

Oct 31, 2025 · transom (plural transoms) (architecture) A crosspiece over a door; a lintel. (architecture) A horizontal glazing bar in a window. A transom window. (nautical) Any of several transverse …

TRANSOM definition: a crosspiece separating a door or the like from a window or fanlight above it. See examples of transom used in a sentence.

The transom is the vertical section at the rear of a boat — the flat or slightly curved surface that forms the boat’s stern. It’s not just a design feature; it plays a significant role in the boat’s structure, …