crosshead

noun

1. A metal beam that connects a piston to a connecting rod in an engine.

   “All the Connor characteristics are seen in this locomotive: sharply inclined cylinders let into the side framing, which was slotted to expose the crosshead; […].”

2. Large text, like a headline but typically drawn from the article, placed partway through the article to break it up visually.

   “Other bits of furniture include [...] the crosshead, a short heading between paragraphs that breaks up a long piece.”

3. A screw with a cross-shaped indentation for gripping and turning, as opposed to a flathead.

   “The screws were crossheads and the screwdriver was slightly too large for them, so he had to hold it at an angle.”

4. A note with an x-shaped notehead, indicating a non-tonal sound such as a drumbeat or a rapped syllable.