Those who would make the metopes all alike, make the outermost intercolumniations narrower by half the width of a triglyph.
triglyph, the channelled feature in the frieze of the Doric order.
The exterior is quite untouched, triglyph cornice, Doric columns, all well past the century mark.
Hence the metopes next to the corner columns do not come out perfectly square, but are too broad by half the width of a triglyph.
The short band, corresponding to the triglyph, beneath the tnia moulding which crowns the epistyle; the listel.
A triglyph is one of those blocks cut with vertical channels, which seem to rest upon the epistyle and to support the cornice.
Thus, in the Doric temple, the triglyph and cornice are unimitative; or imitative only of artificial cuttings of wood.
The line of support which runs up through the pillar is continued in the triglyph, which also shows perpendicular grooves.
triglyph, trī′glif, n. a three-grooved tablet at equal distances along the frieze in Doric architecture.