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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!