a. Arch. Also trabiated. [f. as prec. + -ED1.] Constructed with beams; having beams or long squared stones as lintels and entablatures, instead of using the arch; covered with a beam or entablature, as a doorway.
Trabeated architecture is opposed to arcuated, arched, or vaulted. Trabeated ceiling, a flat ceiling sustained by bears, by which it is divided into compartments, as distinguished from a vaulted ceiling.
1843. Civil Eng. & Arch. Jrnl., VI. 96/1. The happy union of the arch and the trabeated systems.
1857. G. J. Wigley, Borromeo’s Instr. Eccl. Build., v. 13. Ceiling … (either vaulted or trabiated, according to the proportion of the edifice).
1863. Sat. Rev., 21 March, 367/1. Strictly it was a propylæum, not an arch, for the opening was trabeated.
