tide lock: meaning, definition, pronunciation and examples

C2 / Very Low Frequency
UK/ˈtaɪd ˌlɒk/US/ˈtaɪd ˌlɑːk/

Technical / Specialized (Maritime Engineering, Civil Engineering)

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Quick answer

What does “tide lock” mean?

A type of lock on a canal or waterway that allows boats to pass between water bodies of different tidal levels.

Audio

Pronunciation

Definition

Meaning and Definition

A type of lock on a canal or waterway that allows boats to pass between water bodies of different tidal levels.

A structure designed to maintain a constant water level on one side, while allowing passage to the other side which is subject to tidal fluctuations; by extension, any situation or mechanism that temporarily locks or stabilizes a variable against external cyclic changes.

Dialectal Variation

British vs American Usage

Differences

No significant difference in meaning. The term is used identically in maritime and engineering contexts in both regions.

Connotations

Purely technical, neutral. No regional connotations.

Frequency

Extremely low frequency in general discourse but stable within its specialized field in both regions.

Grammar

How to Use “tide lock” in a Sentence

The [NOUN PHRASE] passes through the tide lock.The [CONSTRUCTION] includes a tide lock to manage [EFFECT].

Vocabulary

Collocations

strong
navigational tide lockentrance tide locktidal basin tide lock
medium
operate the tide lockpass through the tide locktide lock gates
weak
large tide lockold tide lockconstruction of a tide lock

Examples

Examples of “tide lock” in a Sentence

verb

British English

  • Not applicable as a verb.

American English

  • Not applicable as a verb.

adverb

British English

  • Not applicable as an adverb.

American English

  • Not applicable as an adverb.

adjective

British English

  • Not applicable as an adjective.

American English

  • Not applicable as an adjective.

Usage

Meaning in Context

Business

Rare. May appear in project proposals or reports for port infrastructure.

Academic

Used in civil engineering, maritime history, and environmental science texts.

Everyday

Virtually never used.

Technical

Standard term in canal, dock, and harbour engineering to describe locks connecting non-tidal canals to tidal rivers or seas.

Vocabulary

Synonyms of “tide lock”

Strong

entrance lock (for tidal basins)

Neutral

tidal locktide gate

Weak

water level control structurenavigation lock (specific context)

Vocabulary

Antonyms of “tide lock”

open channelfree-flowing waterway

Watch out

Common Mistakes When Using “tide lock”

  • Using it as a verb (e.g., 'The boat was tide-locked').
  • Confusing it with 'tidal lock' in astronomy (e.g., the Moon being tidally locked to Earth).
  • Writing it as a single word 'tidelock' (standard is two words).

FAQ

Frequently Asked Questions

It is a specific type of canal lock. All tide locks are locks, but not all locks are tide locks. A regular lock connects two bodies of water with different but stable levels. A tide lock connects a stable water level to one that changes with the tide.

Very rarely, and it would be a creative extension. One might say a strict routine acts as a 'tide lock' against the chaos of daily life, but this is not a standard idiom.

A tide lock is for navigation, allowing vessels to pass. A flood gate (or tidal barrier) is primarily for flood defence, designed to close against high water and is not typically used for routine boat passage.

The sea lock at Sharpness on the Gloucester & Sharpness Canal in the UK, or the entrance lock at Saint Katharine Docks in London are classic examples.

A type of lock on a canal or waterway that allows boats to pass between water bodies of different tidal levels.

Tide lock is usually technical / specialized (maritime engineering, civil engineering) in register.

Tide lock: in British English it is pronounced /ˈtaɪd ˌlɒk/, and in American English it is pronounced /ˈtaɪd ˌlɑːk/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None. This is a technical term.

Learning

Memory Aids

Mnemonic

Think of a lock on a canal that specifically deals with the TIDE. It 'locks' the boat in a stable chamber while the ocean tide rises and falls outside.

Conceptual Metaphor

A BUFFER ZONE against natural cycles. The lock acts as a protective intermediary that insulates a controlled system from a powerful, rhythmic external force.

Practice

Quiz

Fill in the gap
Ships must use the to enter the canal from the tidal river.
Multiple Choice

What is the primary function of a tide lock?