A gutta is a small water-repelling, cone-shaped projection used near the top of the architrave of the Doric order in classical architecture. At the top of the architrave blocks, a row of six guttae be
Labelled image of the Doric order entablature
So-called "Temple of Poseidon", Paestum, Italy.
Theater of Marcellus: cone-shaped guttae pictured below the triglyph in the Doric order.
Villa Lante al Gianicolo, guttae but no triglphs. Giulio Romano, 1520–21.
Triglyph is an architectural term for the vertically channeled tablets of the Doric frieze in classical architecture, so called because of the angular channels in them. The rectangular recessed spaces
Gutta
…blocks, a row of six guttae below the narrow projection of the taenia (fillet) formed an element called a regula. A regula was aligned under each triglyph of the Doric frieze. In addition, the underside of the projecting geison above the frieze had rectangular protrusions termed mutules that each had three…
John Wood's The Circus Bath, Somerset (1754), triglyphs and decorated metopes
Temple of Concordia, Agrigento, Sicily, with plain metopes
A metope (L) and triglyph (R) cut from one block from Stratos.
Triglyph blocks with slots for the insertion of metopes in the Marmaria at Delphi.