DICT.TW Dictionary Taiwan

 cross·head /-ˌhɛd/
 小標題,子題,聯桿器

 Cross·head n. Mach. A beam or bar across the head or end of a rod, etc., or a block attached to it and carrying a knuckle pin; as the solid crosspiece running between parallel slides, which receives motion from the piston of a steam engine and imparts it to the connecting rod, which is hinged to the crosshead.
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 crosshead
      n 1: a heading of a subsection printed within the body of the
           text [syn: crossheading]
      2: metal block that connects to a piston; it slides on parallel
         guides and moves a connecting rod back and forth