| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Falling apron | Building & Civil Engineering | A covering of loose stones or blocks laid on the berm of a river embankment to protect it from erosion. The stone from the apron gradually falls and goes on covering the slope as scour takes place and this process is called "launching" Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
