\Ar"chi*trave\, n. [F. architrave, fr. It.
architrave; pref. archi- + trave beam, L. trabs.] (Arch.)
(a) The lower division of an entablature, or that part which
    rests immediately on the column, esp. in classical
    architecture. See {Column}.
(b) The group of moldings, or other architectural member,
    above and on both sides of a door or other opening,
    especially if square in form.