cross head
noun
1
- a bar or block between the piston rod and connecting rod in a steam engine（蒸汽机活塞杆和连杆之间的）十字头。
2
- a screw with an indented cross shape in its head十字头螺钉。
2.1
- a screwdriver for use with such a screw十字头螺丝起子。
3
- a heading to a paragraph printed across a column in the body of a newspaper article（报纸文章的）小标题。