The American Heritage® Dictionary of the English Language, 4th Edition
n. An action taken in advance to protect against possible danger, failure, or injury; a safeguard: followed safety precautions when using heavy machinery.
n. Caution practiced in advance; forethought or circumspection: a need for precaution when planning a vacation.
n. Previous caution or care; caution previously employed to prevent mischief or secure good; as, his life was saved by precaution.
n. A measure taken beforehand to ward off evil or secure good or success; a precautionary act; as, to take precautions against risks of accident.
v. : To warn or caution beforehand. --Locke.
v. : To take precaution against. --John Dryden.
the GNU version of the Collaborative International Dictionary of English
n. Previous caution or care; caution previously employed to prevent mischief or secure good.
n. A measure taken beforehand to ward off evil or secure good or success; a precautionary act.
v. To warn or caution beforehand.
v. To take precaution against.
The Century Dictionary and Cyclopedia
n. Previous caution; prudent foresight; care previously employed to prevent mischief or secure good results.
n. A measure taken beforehand; an act of foresight, designed to ward off possible evil or to secure good results.
To caution beforehand; warn.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a precautionary measure warding off impending danger or damage or injury etc.
n. the trait of practicing caution in advance
n. judiciousness in avoiding harm or danger
Word Usage
"In this connection, the term precaution must not be used as a guise for trade protectionist measures as this would have the effect of casting doubt upon, and even undermining, environmental as well as trade policy objectives."