snap-bolt

snap-bolt

A homeowner installs a snap-bolt on the back door.

Definition

Noun - A type of door fastener: A "snap-bolt" is a locking mechanism for doors that automatically engages when the door is closed, typically consisting of a spring-loaded bolt that snaps into a strike plate. It is also known as a "snap-lock."

Usage Examples
  • (A self-locking fastener for doors.)
  • (A spring-loaded bolt that secures the door.)
Advanced Usage
  • "snap-bolt mechanism": the internal spring-and-bolt system that makes the fastener self-locking.
    • The snap-bolt mechanism is simple but effective for keeping the door closed. (The spring-loaded part that triggers the lock.)
  • "snap-bolt lock": another term for the same device, emphasizing its locking function.
    • A snap-bolt lock is common on exterior doors in many homes. (A self-locking door bolt.)
Variants and Related Words
  • Snap-lock (n): a synonym for snap-bolt, often used interchangeably.
    • The snap-lock on the gate is broken. (The same type of self-locking fastener.)
  • Bolt (n): a broader term for any sliding fastener for a door or gate.
    • A deadbolt is a type of bolt that requires manual turning. (A general fastener, not necessarily spring-loaded.)
  • Spring bolt (n): a bolt that is pushed into place by a spring, which is the core of a snap-bolt.
    • A spring bolt retracts when you turn the handle. (A bolt operated by a spring.)
Synonyms
  • Self-locking latch: a latch that engages automatically.
  • Automatic door bolt: a bolt that locks without manual action.
Related Idioms and Phrasal Verbs
  • "Snap shut": to close quickly with a clicking sound, like a snap-bolt.
    • The door snapped shut behind her. (The door closed with a sharp sound, implying the bolt engaged.)
  • "Bolt in place": to fasten securely with a bolt.
    • He bolted the gate in place for the night. (He used a bolt to secure it.)