| Answer | Crossword Clue |
|---|---|
| debouch | passage or opening allowing troops to emerge |
| debouche | passage or opening through which troops may debouch |
| hatches | An opening of restricted size allowing for passage from one area to another, in particular |
| transcalent | pervious to or allowing the passage of heat |
| semipermeable | (of a material or membrane) Allowing certain substances to pass through it but not others, esp. allowing the passage of a solvent but not of certain solutes |
