transom

transom is defined in Webster's Unabridged Dictionary (1913) with 4 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(Naut.) One of the principal transverse timbers of the stern, bolted to the sternpost and giving shape to the stern structure; -- called also transsummer.
  2. 2.(Gun.) The piece of wood or iron connecting the cheeks of some gun carriages.
  3. 3.(Surg.) The vane of a cross-staff. Chambers.
  4. 4.(Railroad) One of the crossbeams connecting the side frames of a truck with each other. Transom knees (Shipbuilding), knees bolted to the transoms and after timbers. -- Transom window. (Arch.) (a) A window divided horizontally by a transom or transoms. (b) A window over a door, with a transom between.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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