crosshead

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a heading of a subsection printed within the body of the text
• Syn:
crossheading
• Hypernyms:
heading, header, head
2. metal block that connects to a piston;
it slides on parallel guides and moves a connecting rod back and forth
• Hypernyms:
block
• Part Holonyms:
steam engine