[mur-suh or, esp. Canadian, said as letters]
- methicillin-resistant Staphylococcus aureus, a bacterium that is highly resistant to methicillin, penicillin, and certain other antibiotics, and may cause infections of the skin, blood, lungs, etc.: MRSA infections in hospitals and healthcare facilities.
- a staph infection caused by these bacteria: the threat of MRSA among athletes.
Origin of MRSA
First recorded in 1980–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mrsa
After two seasons and one MRSA outbreak in the locker room, the Tampa Bay Buccaneers fired Greg Schiano Monday.Heads Roll in the NFL: The 5 Coaches Who Lost Their Jobs Today
December 30, 2013
The article came out in 1961 and was the first published report of MRSA.Drug-Resistant Gonorrhea, the ‘Sex Superbug,’ Is Not Worse Than AIDS
May 7, 2013
Captain Horace Frank said officers are already accustomed to wearing latex gloves after an outbreak of MRSA a few years ago.L.A. Hunts for 300 Missing Tuberculosis Cases
March 1, 2013
MRSA starts with skin boils, then spreads to infect organs and bones.
Eric Matheson, et al. “Tea and Coffee Consumption and MRSA Nasal Carriage.”
- methicillin-resistant Staphylococcus aureus : a bacterium that enters the skin through open wounds to cause septicaemia and is extremely resistant to most antibiotics. It has been responsible for outbreaks of untreatable infections among patients in hospitals