‘塔楼’ (tǎ lóu) literally combines ‘塔’ (tǎ), meaning ‘tower’, and ‘楼’ (lóu), meaning ‘building’ or ‘floor’. Together, it refers to a tall, vertical structure—typically a modern high-rise building with multiple floors, often used for residential, commercial, or office purposes. Unlike ‘塔’ alone—which usually denotes a freestanding, slender tower (e.g., a pagoda or broadcast tower)—‘塔楼’ emphasizes architectural height and functional use as a habitable building.

The term is common in urban planning, real estate, and everyday descriptions of city skylines. It’s neutral in register and widely understood across Mandarin-speaking regions. While ‘高楼’ (gāo lóu) is a more general term for ‘tall building’, ‘塔楼’ carries a subtle connotation of structural prominence, symmetry, and sometimes modern design—often appearing in compound terms like ‘塔楼住宅’ (tǎ lóu zhùzhái, ‘tower-block residence’) or ‘双塔楼’ (shuāng tǎ lóu, ‘twin tower blocks’).