%boos%

v. i. To drink excessively. See Booze. [ 1913 Webster ]

n. A toper; a guzzler. See Boozer. [ 1913 Webster ]

v. t. [ imp. & p. p. Boosted; p. pr. & vb. n. Boosting. ] [ Cf. Boast, v. i. ] To lift or push from behind (one who is endeavoring to climb); to push up; hence, to assist in overcoming obstacles, or in making advancement. [ Colloq. U. S. ] [ 1913 Webster ]

n. A push from behind, as to one who is endeavoring to climb; help. [ Colloq. U. S. ] [ 1913 Webster ]

n. 1. (Elec.) An instrument for regulating the electro-motive force in an alternating-current circuit; -- so called because used to “boost”, or raise, the pressure in the circuit. [ Webster 1913 Suppl. ]

2. an enthusiastic supporter. [ PJC ]

3. the first stage of a multistage rocket, providing all or part of the driving force at lift-off and until the second stage ignites, whether or not the booster stage is detached after the fuel is spent. Also called booster rocket. In some cases, a booster has been used to assist the takeoff of airplanes. [ PJC ]

4. (Med.) an immunizing medication given after an initial immunizing treatment, to provide increased or extended immunity. Also called booster dose. When in the form of an injection, it may be called a booster shot. [ PJC ]

5. any auxiliary device or part of a device to provide increased power, force, or effectiveness, as with a pumping device. [ PJC ]

6. (Mil.) an explosive charge which is more powerful than a primer, used in conjunction with a primer to assure detonation of the main charge. Integrated blasting caps containing separate compartments for primer and booster are used as detonators for certain explosives. [ PJC ]

n. [ Cf. D. kabuis, kombuis, Dan. kabys, Sw. kabysa, G. kabuse a little room or hut. The First part of the word seems to be allied to W. cab cabin, booth. Cf. Cabin. ] [ Written also camboose. ] 1. (Naut.) A house on deck, where the cooking is done; -- commonly called the galley. [ 1913 Webster ]

2. (Railroad) A car used on freight or construction trains as travelling quarters for brakemen, workmen, etc.; a tool car. It usually is the last car of the train. [ U. S. ] [ 1913 Webster +PJC ]

n. [ A corruption of Sp. calabozo dungeon. ] A prison; a jail. [ Local, U. S. ] [ 1913 Webster ]

n. (Naut.) See Caboose. [ 1913 Webster ]

n. See Caboose. [ 1913 Webster ]