cross-head

A cross-head connects the piston rod to the connecting rod in a steam engine.

Definition

1. Noun:
   • A heading or title: "cross-head" refers to a small heading or subheading inserted in a body of text to break it up, often used in newspapers or articles. It is also known as a "cross-heading."
   • A mechanical component: In engineering, a "cross-head" is a sliding piece or block in a reciprocating engine that connects the piston rod to the connecting rod, guiding the piston's motion.

Usage Examples

• Heading:

  • The article had several cross-heads to separate different topics. (Small subheadings used to organize the text.)
  • The editor added a cross-head to highlight the main point of the paragraph. (A brief title within the text.)

• Mechanical component:

  • The cross-head in the steam engine ensures smooth linear motion. (The sliding piece that guides the piston rod.)
  • Engineers inspected the cross-head for wear and tear. (The mechanical part in a reciprocating engine.)

Advanced Usage

• "Cross-head" in printing: In typography, a cross-head is a short heading placed between paragraphs, often centered or in bold, to divide sections.

  • The designer used cross-heads to improve readability in the long report. (Subheadings to break up dense text.)

• "Cross-head" in engineering: It is part of a crosshead engine, commonly found in large marine diesel engines or steam engines.

  • The cross-head assembly includes bearings and guides to reduce friction. (The mechanical sliding mechanism.)

Variants and Related Words

• Cross-heading (n): a synonym for "cross-head" in the context of text headings.

  • The cross-heading was placed above each new section. (A subheading within an article.)

• Crosshead (n): an alternative spelling of "cross-head," used interchangeably.

  • The crosshead connects the piston to the connecting rod. (The mechanical part.)

Synonyms

• Subheading: a heading below a main heading, dividing content.
• Subtitle: a secondary title in a text.
• Slide block: a mechanical term for a sliding component in engines.

Related Idioms

• None directly: "Cross-head" is a technical term and does not have common idiomatic uses. However, in a figurative sense, one might say "to cross a head" (rare), meaning to argue or contradict, but this is not standard.

Phrasal Verbs

• None: "Cross-head" is not used as a verb or in phrasal verb constructions. It functions strictly as a noun.