candy striper
noun
: a usually teenage volunteer worker at a hospital
Example Sentences
Recent Examples on the Web Before becoming a full-time hair aesthetician, Ahmad went to nursing school for a few years, worked as a candy striper at Mercy Hospital in Miami and spent a year working at Walt Disney World in Orlando, Florida. 
Ana Faguy, baltimoresun.com, 31 Aug. 2020 Copeland volunteered as a child, in the community, in school and as a candy striper in a hospital. cleveland.com, 30 June 2019
Ana Faguy, baltimoresun.com, 31 Aug. 2020 Copeland volunteered as a child, in the community, in school and as a candy striper in a hospital. cleveland.com, 30 June 2019 Word History
Etymology
from the striped uniform worn suggesting the stripes on some sticks of candy
First Known Use
1951, in the meaning defined above
Medical Definition
candy striper
noun
can·dy strip·er ˈkan-dē-ˌstrī-pər 
: a usually teenage volunteer worker at a hospital