Irish system

noun

: a system of prison management developed for Ireland by Sir Walter Crofton and noted for its mark system and commutation of sentences, classification of prisoners, military discipline, trade and academic training, preparation for free self-control, and release under police supervision

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