safety-valve

UK /ˈseɪftɪˌvælv/ US /ˈseɪftiˌvælv/
verb 3noun 1

Definitions

verb

1

Sometimes followed by off:

2

Sometimes followed by off:

3

Sometimes followed by off:

noun

1

Alternative form of safety valve.

[…] I have often thought that it was a great error in our legislature when they consented to put down the public lotteries in England. I am convinced that they were beneficial, acting as safety-valves to the gambling spirit of the nation, and that their prohibition has been productive of much crime and misery.

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