| Answer | Crossword Clue |
|---|---|
| diverticulum | a blind passage or tunnel |
| diverticula | DIVERTICULUM, a blind passage or tunnel |
| cundy | a tunnel or passage |
| diverticula | A blind tube leading from a cavity or passage |
| diverticulum | A blind tube leading from a cavity or passage |
| headings | A horizontal passage made in preparation for building a tunnel |
