| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | riser | theater in the UK | In UK theater, a riser is a platform that can be raised to different heights for performances. | 3 |
| 2 | riser | construction industry in the US | A riser is a vertical pipe used for transporting fluids or utilities in construction and drilling operations within the US construction industry. | 2 |