guard pin: meaning, definition, pronunciation and examples

Low
UK/ɡɑːd pɪn/US/ɡɑrd pɪn/

Technical

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Quick answer

What does “guard pin” mean?

A small metal pin or component in a lock mechanism that prevents incorrect keys from turning the lock.

Audio

Pronunciation

Definition

Meaning and Definition

A small metal pin or component in a lock mechanism that prevents incorrect keys from turning the lock.

In horology, a pin in a lever escapement that prevents the lever from overbanking; more broadly, any safety or blocking pin in mechanical devices.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. The term is identical in both varieties within technical contexts.

Connotations

Purely technical/functional in both regions.

Frequency

Equally rare in general language but standard within the relevant trades in both the UK and US.

Grammar

How to Use “guard pin” in a Sentence

The [lock/watch] has a broken guard pin.Replace the guard pin in the [mechanism].

Vocabulary

Collocations

strong
lockmechanismleverescapement
medium
brokenreplaceinstallshear
weak
smallmetalsecuritydevice

Examples

Examples of “guard pin” in a Sentence

verb

British English

  • The mechanism is designed to guard against picking.

American English

  • This feature guards against accidental release.

adverb

British English

  • The lever moved guardedly.

American English

  • He worked guardedly on the delicate mechanism.

adjective

British English

  • The guard mechanism is crucial.

American English

  • The guard component sheared off.

Usage

Meaning in Context

Business

Rare, except in specific industries like security hardware or luxury watch sales.

Academic

Used in technical papers on mechanical engineering, horology, or security systems.

Everyday

Virtually never used.

Technical

Standard term within locksmithing and watchmaking.

Vocabulary

Synonyms of “guard pin”

Strong

lever pin (in horology)fence (in some lock contexts)

Neutral

safety pinblocking pin

Vocabulary

Antonyms of “guard pin”

key pindriver pin

Watch out

Common Mistakes When Using “guard pin”

  • Using 'guard pin' to refer to a cotter pin or a simple retaining pin.
  • Capitalising it as a proper noun (e.g., 'Guard Pin').

FAQ

Frequently Asked Questions

No, it is a low-frequency technical term specific to locksmithing and horology.

No, 'guard pin' is exclusively a noun. The word 'guard' alone can be a verb.

Its primary function is to act as a safety or blocking component to prevent incorrect operation in a mechanical device like a lock or watch.

Yes, the exact design and placement vary between different lock mechanisms and types of watch escapements.

A small metal pin or component in a lock mechanism that prevents incorrect keys from turning the lock.

Guard pin is usually technical in register.

Guard pin: in British English it is pronounced /ɡɑːd pɪn/, and in American English it is pronounced /ɡɑrd pɪn/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None

Learning

Memory Aids

Mnemonic

Think of a GUARD standing at a door, and a PIN locking it. The GUARD PIN is the part that 'guards' the lock from being picked or forced.

Conceptual Metaphor

A GUARD is a protector; a PIN is a small, fastening object. Combined, it's a PROTECTIVE FASTENER.

Practice

Quiz

Fill in the gap
A broken can cause a lever escapement to malfunction.
Multiple Choice

In which field is the term 'guard pin' most specifically used?