Definition of "lifesaver" []

• One that saves a life. (noun)
• See lifeguard. (noun)
• One that provides help in a crisis or emergency. (noun)
• A life preserver shaped like a ring. (noun)

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.

• "And she promised not to use the $25 billion approved for retooling plants as a short-term lifesaver for the industry."
• "The lifesaver is a qualified silver medal captain certified by Surf Life Saving"
• "Her lifesaver has been the Center for Blistering Diseases, a small, little-known medical office in the Mission Hill section of Boston."