Word Study
trabeation
CIDE DICTIONARY
trabeation, n. [L. trabs, trabis, a beam, a timber.].
Same as Entablature. [1913 Webster]
OXFORD DICTIONARY
trabeation, n. the use of beams instead of arches or vaulting in construction.
Derivative
trabeate adj.
Etymology
L trabs trabis beam
For further exploring for "trabeation" in Webster Dictionary Online