| dòng | ridge-beam of a roof/classifier for houses or buildings |
| 栋 | classifier for houses or buildings ridgepole (old) |
| 栋折榱崩 | the beam breaking and the rafter falling -- the country being in a stage of ruin |
| 栋梁 | ridgepole ridgepole and beams person able to bear heavy responsibility |
| 栋梁之材 | man of tremendous promise |