sb. [CROSS- 4.]
1. The bar at the end of the piston-rod of a steam-engine, which slides between straight guides, and communicates the motion to the connecting-rod, etc.
1827. Mech. Mag., VIII. 2. Can the cross-head, side rods, cranks, shaft be reduced?
1861. T. L. Peacock, Gryll Grange, xx. 179. Vibrating with one invariable regulated motion like the cross-head of a side-lever steam engine.
attrib. 1850. Weale, Dict. Terms, Cross-head guides, in locomotive engines, the parallel bars between which the cross-head moves. Cross-head blocks the parts which slide between the parallel guides.
2. A heading to a paragraph printed across the page or column in the body of an article.
1888. Pall Mall Gaz., 1 Sept., 11/2. In two cases Mr. Knowles allows frequent cross-heads.
Hence Cross-head v., to furnish with a cross-head (sense 2).
1890. Pall Mall Gaz., Jan. The Tablet cross-heads one of its paragraphs The Need of the Confessional.