triglyph

An ornament in a Doric frieze, consisting of a projecting block having on its face two parallel vertical glyphs or grooves and two half grooves or chamfers on either vertical end, that separates the metopes.

In architecture, a structural member in the frieze of the Doric order, repeated at equal intervals, usually over every column and over the middle of every intercolumniation.

An ornament in the frieze of the Doric order, repeated at equal intervals. Each triglyph consists of a rectangular tablet, slightly projecting, and divided nearly to the top by two parallel and perpendicular gutters, or channels, called glyphs, into three parts, or spaces, called femora. A half channel, or glyph, is also cut upon each of the perpendicular edges of the tablet. See Illust. of entablature.

A term for the vertically channeled tablets of the Doric frieze.