:acquired or arising in the general population :not acquired or arising in a hospital
Streptococcus pneumoniae is the most common cause of community-acquired pneumonia and the second most common cause of bacterial meningitis in the United States.
—Jay C. Butler et al., The Journal of the American Medical Association, 20 Oct. 1993
While the CDC estimated that the majority of such infections occur in healthcare settings, nearly 14% were so-called community-acquired, meaning that they struck otherwise healthy people who weren't in a hospital.
—Laura Landro, The Wall Street Journal, 23 Oct. 2007
Seen and Heard
What made you want to look up community-acquired? Please tell us where you read or heard it (including the quote, if possible).