The cause of such a fall; a critical blow or error.
A precipitous decline in fortune; death or rapid deterioration, as in status or wealth.
An act of falling down.
To fall down; deteriorate; decline.
A warning signal (such as the call of sentry, the ringing of a bell, or the shriek of a siren) which turns out to have been given erroneously.
A thing or occurrence which initially causes fear, distress, etc. but which is subsequently recognized as being no cause for concern.