An action taken in advance to protect against possible danger, failure, or injury; a safeguard: followed safety precautions when using heavy machinery.
Caution practiced in advance; forethought or circumspection: a need for precaution when planning a vacation.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.