definition of
precaution

[1] #1 precaution n. [safeguard, guard] a precautionary measure warding off impending danger or damage or injury etc.; "he put an ice pack on the injury as a precaution"; "an insurance policy is a good safeguard"; "we let our guard down". wn

[2] #2 precaution n. the trait of practicing caution in advance. wn

[3] #3 precaution n. [caution, care, forethought] judiciousness in avoiding harm or danger; "he exercised caution in opening the door"; "he handled the vase with care". wn