n.
1.something that serves to indicate or suggest
2.the act of indicating or pointing out by name
3.(medicine) a reason to prescribe a drug or perform a procedure
4.something (as a course of action) that is indicated as expedient or necessary
5.a datum about some physical state that is presented to a user by a meter or similar instrument
Idiom of the Day
throw down the gauntlet
to challenge someone to a fight or to do something
The government threw down the gauntlet to the opposition party and told them to stop criticizing their policies without suggesting an alternative.