01
Definition
1.
lost river : In a karst region, a surface stream that enters an underground course.
Monroe, 1970
2.
sinking creek : A small stream that disappears underground.
Monroe, 1970
02
Frame
| FORM | a surface stream |
| LOCATION | In a karst region |
| ATTRIBUTE | that enters an underground course |
| SIZE | small |
| FUNCTION | that disappears underground |
03