English

Definition of heads-up noun from the Oxford Advanced Learner's Dictionary

 

heads-up

 noun
noun
BrE
 
; NAmE
 
(pl. heads-up, heads-ups)
 
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heads-up (about something) (especially North American English) a piece of information given in advance of something or as advice Send everyone a heads-up about the changes well in advance. Can anyone give me a heads-up about how to change the format? This is a heads-up about the seminar this week. His statement said that he was not given a heads-up about the FBI raid.
See the Oxford Advanced American Dictionary entry: heads-up