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BUSH . (1) (A word See also:common to many See also:European See also:languages, meaning " a See also:wood," cf. the Ger. See also:Busch, Fr. bois, Ital. bosco, and the med. See also:Lat. boscus), a See also:shrub or See also:group of shrubs, especially of those See also:plants whose branches grow See also:low and thick. Collectively " the bush " is used in See also:British colonies, particularly in See also:Australasia and See also:South See also:Africa, for the See also:tract of See also:country covered with See also:brush-wood not yet cleared for cultivation. From the See also:custom of See also:hanging a bush as a sign outside a See also:tavern comes the See also:proverb " See also:Good See also:wine needs no bush." (2) (From a See also:Teutonic word meaning " a See also:box," cf. the Ger. Rad-buchse, a See also:wheel box, and the termination of " See also:blunderbuss " and " See also:arquebus "; the derivation from the Fr. bouche, a mouth, is not correct), a lining frequently inserted in the See also:bearings of machinery. When a See also:shaft and the bearing in which it rotates are made of the same See also:metal, the two surfaces are in certain cases See also:apt to " seize " and abrade each other. To prevent this, bushes of some dissimilar metal are employed; thus a shaft of mild See also:steel or wrought See also:iron may be made to run in hard See also:cast steel, cast iron, See also:bronze or Babbitt metal. The last, having a low melting point, may be cast about the shaft for which it is to See also:form a bearing. End of Article: BUSHAdditional information and CommentsThere are no comments yet for this article.
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