three-in-one; triple

The Triad; a historical anti-Manchu secret society during the Qing dynasty that later evolved into various modern crime gangs.

Three-ply board; a building material made by gluing three thin layers of wood together with the grain of each layer running crosswise to the next.

A traditional building material made by mixing three components, typically lime, sand, and clay or gravel, with water; used for foundations and paving. Some regions also use this term for [[混凝土|混凝土|hun4 ning2 tu3]]

A traditional residence consisting of buildings on three sides surrounding a central courtyard, often arranged in a U-shape.

(astronomy) a system consisting of three stars that appear close to each other when viewed from earth

A house with three wings surrounding a central courtyard, consisting of a main building and two side-wings.

DTP vaccination; a combined vaccine against diphtheria, tetanus, and pertussis