precaution Meaning, Definition & Usage
- 
       noun a precautionary measure warding off impending danger or damage or injury etc.
       
       
guard; safeguard.
- he put an ice pack on the injury as a precaution
 - an insurance policy is a good safeguard
 - we let our guard down
 
 - 
       noun the trait of practicing caution in advance
        
      
 - 
       noun judiciousness in avoiding harm or danger
       
       
caution; forethought; care.
- he exercised caution in opening the door
 - he handled the vase with care
 
 
WordNet
Pre*cau"tion noun
Etymology
F.Definitions
-  
Previous caution or care; caution previously employed to prevent mischief or secure good; as, his life was saved by .precaution They [ancient philosophers] treasured up their supposed discoveries with miserable precaution. J. H. Newman.
 -  
A measure taken beforehand to ward off evil or secure good or success; a precautionary act; as, to take .precautions against accident 
Pre*cau"tion transitive verb
Etymology
Cf. F.Definitions
-  
To warn or caution beforehand. Locke. -  
To take precaution against. R. Dryden.