栋 棟 dong4
classifier for houses or buildings; ridgepole (old)

strokes 12
radical
木
木
strokes after radical 8
雕梁画栋 雕梁畫棟 diao1 liang2 hua4 dong4
richly ornamented (building)

栋梁 棟梁 dong4 liang2
ridgepole; ridgepole and beams; person able to bear heavy responsibility; mainstay (of organization); pillar (of state)

独栋 獨棟 du2 dong4
(of a building) detached

汗牛充栋 汗牛充棟 han4 niu2 chong1 dong4
lit. enough books to make a pack-ox sweat or to fill a house to the rafters (idiom); fig. many books

吴作栋 吳作棟 wu2 zuo4 dong4
Goh Chok Tong (1941-), Singapore businessman and politician, prime minister 1990-2004