Architrave
architrave
In classical architecture the lowest division of an entablature, the epistyle (a stone beam). In the case of a square opening it may be any moulded or similarly ornamented band framing a square window or door, or projecting irom it. A banded architrave is one spaced at intervals by projecting blocks. A jack architrave is, in certain orders, the lowest fascia (band or strip) of the architrave proper. Architrave trim is a casing carried around the sides and ‘top of an opening; it resembles an architrave.
Fuente: New Catholic Dictionary
Architrave
(Gr. and Lat.= zchief-beam), the lowest division. of the entablature, in Classical architecture, resting immediately on the abacus of the capital, also the ornamental moulding running round the exterior curve of an arch, and hence applied to the mouldings round the openings of doors and windows, etc. SEE COLUMN; SEE ORDER.