| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Indirectly visible area | Food & Agriculture | The ground, or the vegetation growing thereon, that is not directly visible to the lookout but lies at not more than a specified depth (commonly 300 ft or 91m) below his line of sight. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
