Quantcast
Welcome to the new LearnersDictionary.com. We want to hear your thoughts about the new design.

booster shot

1 ENTRIES FOUND:
Save
booster shotnoun
pluralbooster shots
booster shot
noun
pluralbooster shots
Learner's definition of BOOSTER SHOT  
[count]chiefly US
: an extra amount of a substance (called a vaccine) that is injected with a needle into a person or animal to help protect against a particular disease
— called also booster
Comments & Questions  
Comments & Questions
What made you want to look up booster shot? Include any comments and questions you have about this word.