TRANSOMS
Noun
transoms
plural of transom
Source: Wiktionary
TRANSOM
Tran"som, n. Etym: [Probably fr. L. transtrum a crossbeam, transom,
from trans across. Cf. Trestle.]
1. (Arch.)
Definition: A horizontal crossbar in a window, over a door, or between a
door and a window above it. Transom is the horizontal, as mullion is
the vertical, bar across an opening. See Illust. of Mullion.
2. (Naut.)
Definition: One of the principal transverse timbers of the stern, bolted to
the sternpost and giving shape to the stern structure; -- called also
transsummer.
3. (Gun.)
Definition: The piece of wood or iron connecting the cheeks of some gun
carriages.
4. (Surg.)
Definition: The vane of a cross-staff. Chambers.
5. (Railroad)
Definition: 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