TRIG'LYPH, noun [Gr. three, and sculpture.] An ornament in the frieze of the Doric column, repeated at equal intervals. Each triglyph consists of two entire gutters or channels, cut to a right angle, called glyphs, and separated by three interstices, called femora.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI