crosshead

Short definition from Wiktionary

Noun

1. 1
   A metal beam that connects a piston to a connecting rod in an engine.
2. 2
   Large text, like a headline but typically drawn from the article, placed partway through the article to break it up visually.
3. 3
   A screw with a cross-shaped indentation for gripping and turning, as opposed to a flathead.
4. 4
   A note with an x-shaped notehead, indicating a non-tonal sound such as a drumbeat or a rapped syllable.