Definitions
1.NounSomething that boosts.
2.NounEllipsis of booster seat.
3.NounThe first stage of a multistage rocket, providing primary or supplemental thrust for liftoff and early flight.
4.NounA motor-generator set used for voltage regulation in direct current electrical power circuits.
5.NounSomeone who publicly promotes or endorses (something or someone); a fan or supporter.
6.NounA member of a booster club.
7.NounA booster dose."When did you get your last tetanus booster?"
8.NounA small quantity of a sensitive explosive that is triggered by a detonator and provides the energy needed to detonate a larger quantity of a less-sensitive explosive.
9.NounA term that serves to amplify or strengthen an utterance, such as "really".
10.NounA power-up item.
11.NounA package of cards or figurines designed to add to a player's collection.
12.NounA thief."The security guard captured two boosters before they could exit the retail store."
13.NounA booster engine fitted to a steam locomotive.
14.VerbTo give a booster shot to; to boost.