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| arch rib; vault arch; nerve; nervure | |||
| rib of a vault | |||
| vault rib; rib of vault | |||
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| fan tracery; fan-tracery (ребристого; в готике) | |||
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| fan-tracery (в готике) | |||
| рёбра свода: 20 phrases in 6 subjects |
| Anatomy | 1 |
| Architecture | 4 |
| Bridge construction | 1 |
| Construction | 12 |
| General | 1 |
| Seismology | 1 |