| Answer | Crossword Clue |
|---|---|
| separatrix | a solidus; a separating line |
| separatrices | SEPARATRIX, a solidus; a separating line |
| frontier | A line or border separating two countries |
| strokes | A short printed or written diagonal line typically separating characters or figures |
| shoreline | the line separating land and water, that fluctuates as water rises and falls |
| shorelines | SHORELINE, the line separating land and water, that fluctuates as water rises and falls |
