(US law) A warning given by a law enforcement officer to criminal suspects in his custody advising them of certain constitutional rights, called their Miranda rights.

(softball, baseball) The dirt or other material on the edge of a baseball or softball field that warns a player that he or she is approaching the fence, especially the portion in the outfield.

plural of warning track

(UK) An official edict that a particular substance or activity is dangerous, or an expression of such an edict.

(stock market) An announcement by a company to its shareholders and other investors that its profits are likely to be less than expected.

plural of warning triangle

Synonym of trigger warning

Alternative form of profit warning

plural of warning shot

Used other than figuratively or idiomatically: A shot fired as a warning.. / (by extension, figuratively) An action intended to act as a warning.