Available Definitions:
1) n. - Previous caution or care; caution previously employed to prevent mischief or secure good; as, his life was saved by precaution.
2) n. - A measure taken beforehand to ward off evil or secure good or success; a precautionary act; as, to take precautions against accident.
3) v. t. - To warn or caution beforehand.
4) v. t. - To take precaution against.