Definiciones
1.NounA 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.
2.NounA thing or occurrence which initially causes fear, distress, etc. but which is subsequently recognized as being no cause for concern.
3.NounA person who pretends to be more accomplished or a thing that seems to be of higher quality than is later found to be the case.