1 a person or thing that boosts: That was a real morale booster for me (= That made me feel more cheerful and optimistic).
az: mənəvi dəstək
ru: (моральная) поддержка
2 the first stage of a rocket that works by several stages.
az: təkanverici mühərrik
ru: стартовый двигатель ракеты
3 a device for increasing power, force etc: I've fixed a booster on the TV aerial to improve the signal.
az: gücləndirici
ru: усилитель
English-Azerbaijani dictionary