safety bolt
Học thuậtThân thiện
Definition
Noun: A type of bolt, typically on a door or gate, that is designed so it cannot be manipulated, released, or moved from the outside. It provides security by ensuring the fastening can only be operated from inside the secured area.
Usage
A "safety bolt" is used to describe a specific locking mechanism. It emphasizes security and controlled access. - It is installed on doors, gates, or windows. - It is engaged to prevent unauthorized entry from the outside. - It is a physical barrier that must be disengaged from inside.
Examples
- Noun:
- Before going to bed, he slid the heavy safety bolt across the front door.
- The garden gate was fitted with a safety bolt to keep it securely closed.
- For added security, the basement door has both a lock and a safety bolt.
Advanced Usage
- "to throw/shoot the safety bolt": To engage or slide the bolt into its locked position.
- Upon hearing the noise, she quickly threw the safety bolt.
Variants and Related Words
- Safety latch: A similar fastening device that prevents opening, often used on gates or lockers.
- Deadbolt: A strong bolt that is moved by turning a key or knob, not by a spring; it is a common type of security bolt but may not always imply the specific "cannot be moved from outside" feature of a "safety bolt".
Synonyms
- Security bolt
- Bar (in the context of a door bar)
- Fastening
Related Phrases
- Bolt the door: To secure a door with a bolt.
- Remember to bolt the door at night.
- On the bolt: Secured by the bolt.
- The gate was on the bolt, so we had to call for someone inside to open it.
Noun
- a bolt that cannot be moved from outside the door or gate