adj.
Architecture
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.
[Latin trīglyphus, from Greek trigluphos : tri-, three; see trei- in Indo-European roots + gluphē, carving; see glyph.]
tri·glyph'ic adj.
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