. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. varied in the arrangement and decoration of its openings in each suc-ceeding period of architecture. See figs. 1417 to 1422. There ia no triforium in Bathabbey church, nor to the choir at Bristol cathedral. Triglyph. (Gr. Tpeis, and TKv<p% a channel.) The vertical tablets in the Doric friezechamfered on the two vertical edges, and havingtwo channels in the middle, which are doublechannels to those at the angles. In the GrecianDoric, the triglyph


. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. varied in the arrangement and decoration of its openings in each suc-ceeding period of architecture. See figs. 1417 to 1422. There ia no triforium in Bathabbey church, nor to the choir at Bristol cathedral. Triglyph. (Gr. Tpeis, and TKv<p% a channel.) The vertical tablets in the Doric friezechamfered on the two vertical edges, and havingtwo channels in the middle, which are doublechannels to those at the angles. In the GrecianDoric, the triglyph is placed upon the angle; butin the Roman, the triglyph nearest the angle isplaced centrally over the column. The space be-tween the channels was called a,\ 1461 is an example of a triglyph with themetope decoratedwith a bulls skull and garlands,as used in Italian architecture, by Sir William Chambers and others. See Shank. w • i • »i,„ <•,;,,^ Bdriglyph is the arrangement by which two tnglyphs are obtained in the friezebetween those which stand over the is where there are three so EncnS IXECCII Fig. HGl. J 382 GLOSSARY. TiuaoNOMETRY. (Gr. tpets, three, Tuna, au angle, and Vierpu, I measure.) The scienceof detarmiuing the unknown parts of a triangle from certain parts that are given. Itis either p/a«e or spherical; the first relates to triangles composed of three right lines,and the second to triangles formed upon the surface of a sphere by three circular latter is of less importance to the architect than the former. TuiLATERAL. (Lat.) Having three sides. Trilituon. Two upright stones linked together by a third on the top like a lintel; manysuch are seen at Stonehenge. Trim. (Verb.) To fit to anything ; thus, to trim nj), is to fit up. Trimmed. A piece of workmanship fiited between others previously executed, ?which isthen said to be trimmed in between them. Thus, a partition wall is said to be trimmedup be


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