Lethal chamber

When the fourteen years which Nature permits, Are closing in asthma, or tumour, or fits, And the vet's unspoken prescription runs, To lethal chambers or loaded guns

"They ought to be lethal-chambered, nasty little sewer-rats, one of 'em's saved them the trouble at any rate."

‘And at once he'll be on his high-horse – he knows everything! – and he'll prove, prove, that all unhealthy children must be lethal-chambered or the world will go to pieces.’