| de | en | fr | it | es | pt | 
| T-Halbierende Verbindung (f) / Einfaches Blatt (nt) | T-Halving joint | Joint en T (m) | Giunto a T-alvamento (m) | Articulación en T (f) |  | 
| Taenia | Taenia | Taenia | Taenia | Taenia |  | 
| Tafel, Platte | chart, plate |  |  |  |  | 
| Tambour (m) (Kuppelunterbau) | Tambour | Tambour (m) / Trommel (f) | Tamburo (m) | Tambor (m) |  | 
| Tanne (f) | Fir / Pine | Sapin (m) | Abete | Abeto (m) / Pino (m) |  | 
| Terrain | terrain | terrain | terreno | terreno |  | 
| Terrain (nt.) | Terrain | Terrain (m.) | Terreno (m.) | Terreno (m.) |  | 
| Thermostat |  |  |  |  |  | 
| Tholos, Rundtempel | Tholos, Rundtempel | Tholos, Rundtempel | Tholos, Rundtempel | Tholos, Rundtempel |  | 
| Tonnendach | barrel roof | toit de baril | tetto barile |  |  | 
| Torblatt |  |  |  |  |  | 
| Torhaus (nt.) | Gatehouse | Porterie (f) | Portineria | Portería (f) |  | 
| Torleibung |  |  |  |  |  | 
| Tragklotz | supporting block | billot portant | blocco portante | armatoste portante |  | 
| Tragkonstruktion (f) | Supporting Structure | Structure de support (f) | Struttura portante (f) | Estructura de soporte (f) |  | 
| Tragleiste |  |  |  |  |  | 
| Transportpalette (f) / Holzpalette (f) / Palette (f) | Transport pallet / Wooden pallet | Palette de transport (f) / Palette de bois (f) | Palette di trasporto (f) / Palette di legno (f) | Paleta de transporte (f) / Paleta de madera (f) |  | 
| Trapez (nt) | Trapeze | Trapèze (m) | Trapezio (m) | Trapecio (m) |  | 
| Traverse |  |  |  |  |  | 
| Trennwand (f) | Dividing Wall | Cloison séparative (f) | Parete divisoria | Tabique de panderete |  | 
| Treppe | staircase, stairs, stairway | Treppe | Treppe | Treppe |  | 
| Treppenabsatz, Podest | landing | palier | pianerottolo m. | descansillo, rellano |  | 
| Treppenpfosten | baluster |  |  | poste de la barandilla |  | 
| Treppenwange (f) | Stair stringer / Stair frame / Stair cheek | Collier (m) | Cordicella | Ristra |  | 
| Triforium |  |  |  |  |  | 
| Triglyphe | triglyph | triglyphes | triglifo | triglifo |  | 
| Tritt |  |  |  |  |  | 
| Trittschalldämmung | impact / footfall sound insulation | insonorisation contre le bruit de contact | isolamento acustico | insonorización |  | 
| Trittstufe | step tread | giron |  | peldaño |  | 
| Trockenverglasung mit Profil | vatrification with profile | vitrage de profil | vetrificazione con profilo | vitrificación / acristalamiento de perfil |  | 
| Trumeau | pier | trumeau |  |  |  | 
| Trumeau (m) | Trumeau | Trumeau | Trumeau | Trumeau |  | 
| Träger (m) | Truss / Beam / Supporting beam | Console (f) | L'architrave (m) | Viga (f) |  | 
| Tudorbogen |  |  |  |  |  | 
| Turm | tower | tour f. | torre | torre f. |  | 
| Turmgiebel |  |  |  |  |  | 
| Turmkugel (f) / Turmknauf (m) / Turmknopf (m) / Dachknauf (m) | Tower sphere / Tower spire / Tower ball / Roof pommel | Bouton de tour (m) / Bouton de porte (m) | Palla torre / Pomolo della torre (m) / Manopola del tetto | Bola de torre (f) / Pomo de la torre (m) / Perilla del techo (f) |  | 
| Turmspitze | spire | aiguille |  | aguja f. |  | 
| Tympanon | tympanum |  | timpano | timpano |  | 
| Tympanon (nt) | Tympanum | Tympan (m) | Timpano (m) | Tímpano (m) |  | 
| Täfergesims |  |  |  |  |  | 
| Türblatt | door leaf | vantail de porte |  | hoja de puerta |  | 
| Türe |  |  |  |  |  | 
| Türe ohne Falz |  |  |  |  |  | 
| Türfalz |  |  |  |  |  | 
| Türfenster | door window | fenêtre de porte |  |  |  | 
| Türfries |  |  |  |  |  | 
| Türfüllung |  |  |  |  |  | 
| Türklinke | doorknob | Poignée de porte | maniglia della porta | picaporte |  | 
| Türknauf |  |  |  |  |  | 
| Türlaibung |  |  |  |  |  | 
| Türlicht |  |  |  |  |  | 
| Türmchen | turret | tourelle | torretta f. |  |  | 
| Türpfosten | doorpost | montant de porte | stipite porta | jamba puerta |  | 
| Türquerholz |  |  |  |  |  | 
| Türrahmen |  |  |  |  |  | 
| Türschild |  |  |  |  |  | 
| Türsturz |  |  |  |  |  | 
| Türsturz (m) | Lintel | Linteau (m) | Architrave (m) | Dintel (m) |  | 
| Türverschluss |  |  |  |  |  | 
| Türzarge |  |  |  |  |  | 
| teileweise überdachte Terrasse (f) | partly roofed terrace | terrasse couverte (f) | terrazza parzialmente coperta (f) | terraza cubierta (f) |  |