tip-off

Noun

 * 1)  An obvious clue or indication.
 * The broken window and overturned plant pots were a tip-off that something was wrong.
 * 1)  A report of suspicious behaviour, especially to an authority.
 * The police received a tip-off about a recent bank robbery.
 * The police received a tip-off about a recent bank robbery.

Related terms

 * (verb)

Translations

 * Spanish: chivatazo,