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Something that boosts.
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Short for booster seat.
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The first stage of a multistage rocket that provides the thrust for liftoff and the initial flight.
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A motor-generator set used for voltage regulation in direct current electrical power circuits.
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Someone who is a fan or supporter of something.
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Someone who promotes a town or business.
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A member of a booster club.
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(immunology) A booster dose.
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(explosives) A 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.
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(linguistics) A term that serves to amplify or strengthen an utterance, such as "really".
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(video games) A power-up item.
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(gaming) A package of cards or figurines designed to add to a player's collection.
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(slang) A thief.
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(rail transport) A booster engine fitted to a steam locomotive.