axle-pin
Definition
Noun: A mechanical component, specifically a pin or bolt that serves as a pivot or axis for a wheel or other rotating part, typically on a vehicle or machinery.
Usage Examples
- (The pin that acts as the pivot for the wheel.)
- (The pin securing the wheel to the axle.)
Advanced Usage
- "Axle-pin" in engineering contexts: Often refers to a hardened steel pin that fits through the hub of a wheel and the axle end, allowing rotation while bearing load.
- The axle-pin must be lubricated regularly to prevent metal fatigue. (The pin requires maintenance to ensure smooth rotation.)
Variants and Related Words
- Axle (n): The central shaft on which a wheel rotates.
- The axle connects the two wheels of the wagon. (The shaft that holds the wheels.)
- Pin (n): A slender piece of metal used to fasten or secure parts.
- The cotter pin holds the axle-pin in place. (A smaller pin used to lock the axle-pin.)
Synonyms
- Pivot pin: A pin that serves as a central point for rotation.
- Kingpin: The main pivot pin in a steering mechanism, especially in older vehicles.
- Spindle pin: A pin that acts as an axis for a rotating part.
Related Idioms
- "To be on the axle-pin": (rare, technical) To be precisely aligned or balanced on a pivot point.
- The mechanism is perfectly balanced on the axle-pin. (The device rotates smoothly around the pin.)
Phrasal Verbs
- Pin down: To secure or fix something in place (not directly related to axle-pin, but shares the word "pin").
- He pinned down the axle-pin with a hammer. (He secured the pin firmly.)