Sister of the Immaculate Heart of Mary

: a member of a Roman Catholic teaching sisterhood founded at Monroe, Michigan, in 1845

Word History

Etymology

after Mary, mother of Jesus

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now