spreader

spreader
noun
  1. a device used for spreading or scattering a substance over a wide area
    传播机;撒播器
    ■a person who spreads or disseminates something
    散布者;传播者
    they were spreaders of terror.
    他们是恐怖的传播者。
    ■a plant that grows over a wide area
    分布很广的植物
    ■a bar attached to the mast of a yacht in order to spread the angle of the upper shrouds
    纵向撑木
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