| Answer | Crossword Clue |
|---|---|
| CATGUT | Tough cord |
| GUT | Tough cord |
| whipcords | Thin, tough, tightly twisted cord used for making the flexible end part of whips |
| whipcord | Thin, tough, tightly twisted cord used for making the flexible end part of whips |
| dura | the tough, fibrous membrane forming the outermost of the three coverings of the brain and spinal cord |
| duras | the tough, fibrous membrane forming the outermost of the three coverings of the brain and spinal cord |
