inoculator
ˌɪnəˈkjʊleɪtər
Definitions
1. noun
A device used to administer an inoculation, especially a device for injecting a vaccine.
“The inoculator was used to give the children their annual flu shot.”
2. noun
A person who gives inoculations, especially a medical professional trained to administer vaccines.
“The inoculator wore gloves and a mask to prevent the spread of diseases.”