door chain: meaning, definition, pronunciation and examples
B1Neutral to Informal (Everyday).
Quick answer
What does “door chain” mean?
A short chain with one end attached to a door frame and the other end to the door itself, allowing the door to open only slightly when engaged, used as a security device.
Audio
Pronunciation
Definition
Meaning and Definition
A short chain with one end attached to a door frame and the other end to the door itself, allowing the door to open only slightly when engaged, used as a security device.
Any small secondary locking device on a door consisting of a chain and slide mechanism. Also used metaphorically to denote a small measure of security or a restrictive link.
Dialectal Variation
British vs American Usage
Differences
The term is identical and used with equal clarity in both varieties. 'Security chain' is a less common, more formal synonym used in both regions.
Connotations
Neutral, practical device. Associated with home security and privacy.
Frequency
Slightly more frequent in American English due to higher prevalence in residential construction standards and home security discussions.
Grammar
How to Use “door chain” in a Sentence
[Subject] + fasten/engage/slide + the + door chain[Subject] + look through + the + gap + created by + the + door chain[Subject] + install + a + door chain + on + [door]Vocabulary
Collocations
Examples
Examples of “door chain” in a Sentence
verb
British English
- She quickly chained the door before answering.
- Remember to chain the door if you're home alone.
American English
- He chained the door shut as a precaution.
- You should always chain the door at night.
adjective
British English
- We need a new door-chain bracket.
- It's a standard door-chain fitting.
American English
- Check the door chain mechanism.
- It's a standard door chain installation.
Usage
Meaning in Context
Business
Rare. May appear in property management or hotel safety documentation.
Academic
Very rare. Possibly in design, engineering, or criminology contexts discussing passive security.
Everyday
Primary context. Used in conversations about home safety, answering the door, and home maintenance.
Technical
Used in hardware, locksmithing, and building security specifications.
Vocabulary
Synonyms of “door chain”
Strong
Neutral
Weak
Watch out
Common Mistakes When Using “door chain”
- Using 'door chain' as a verb (e.g., 'I door-chained it').
- Confusing it with a 'chain lock', which can be a different, often stronger, type of lock.
- Misspelling as 'doorchan' or 'door-chain' (though hyphenated form is sometimes seen in compound modifiers).
FAQ
Frequently Asked Questions
No. A door chain is a secondary security device meant for momentary verification, not for primary protection against forced entry.
Not standardly. While one might say 'chain the door' informally, the correct phrasing is 'fasten/engage/slide the door chain'.
A 'door chain' is typically mounted on the door and frame, allowing limited opening. A 'chain lock' often refers to a heavier-duty, surface-mounted chain and padlock mechanism, sometimes used on gates or sliding doors.
Yes, it is common in both domestic and hotel security contexts.
A short chain with one end attached to a door frame and the other end to the door itself, allowing the door to open only slightly when engaged, used as a security device.
Door chain is usually neutral to informal (everyday). in register.
Door chain: in British English it is pronounced /ˈdɔː ˌtʃeɪn/, and in American English it is pronounced /ˈdɔr ˌtʃeɪn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “On a chain (metaphorical restriction)”
- “A chain's length away (at a slight, safe distance).”
Learning
Memory Aids
Mnemonic
Think of a DOOR that can only open a CHAIN's length for safety.
Conceptual Metaphor
SECURITY IS A BARRIER; CAUTION IS A PHYSICAL LIMIT.
Practice
Quiz
What is the primary function of a door chain?