An·gel·a Me·ri·ci (?n?j?-l? m?-r??ch?), Saint 1474-1540. Italian Roman Catholic nun who founded the Ursuline order (1535).American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.