Definitions for peace corps
Random House Webster's College Dictionary
an independent agency and program of the U.S. government that sends volunteers to help developing countries meet their needs for skilled workers.
a civilian organization sponsored by the United States government; helps people in developing countries
An independent United States federal agency for volunteers to help in developing countries where aid is needed.
U.S. National Library of Medicine
It was established in 1961 and made an independent agency in 1981. Its mission is to help the people of interested countries in meeting their need for trained men and women, and to help promote better mutual understanding between Americans and citizens of other countries. (United States Government Manual, 2006-2007, pg497)