PRI: Personal Record Identifier (Canada) PRI: Periodic Reinvestigation: PRI: Preliminary Rifle Instruction: PRI: Planning, Review, and Inspection: PRI: Progressive Routing Indicator (US DoD) PRI: Prisoner Reentry Initiative (various locations) PRI: Policy Research Institute (various locations)
Adding definition, to unite or join so as to increase the number, quantity, size, or importance: to add two cups of sugar; to add a postscript to her letter; to add insult to injury. See more. Dictionary.com
n. 1  1. The act or process of adding; addition. 2  2. A sum or aggregate. 3  3. A concluding argument after the presentation of a legal case, especially an argument made to a judge or jury by an attorney for a party as to why that party should prevail.