| A | B |
| hag | witch |
| flares | rockets which provided light |
| rest | a camp away from the front lines |
| hoots | the noise made by the shells |
| Five-Nines | 5.9 calibre explosive shells |
| Gas! Gas! | chlorine or phosgene gas |
| lime | a substance which can burn live tissue |
| panes | the glass in the eyepieces of the gas masks |
| guttering | flickering out like a candle |
| cud | the froth round the soldier's mouth |
| zest | enthusiasm |
| ardent | keen |