chart house: meaning, definition, pronunciation and examples

Low
UK/ˈtʃɑːt ˌhaʊs/US/ˈtʃɑːrt ˌhaʊs/

Specialized, Technical

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Quick answer

What does “chart house” mean?

A small, enclosed structure on the deck of a ship where nautical charts are stored and used for navigation.

Audio

Pronunciation

Definition

Meaning and Definition

A small, enclosed structure on the deck of a ship where nautical charts are stored and used for navigation.

A room or compartment on a ship specifically designed for the storage and consultation of navigation charts, plotting positions, and maritime navigation planning. In a metaphorical sense, it can refer to any central place where strategic planning or analysis occurs.

Dialectal Variation

British vs American Usage

Differences

In modern British maritime English, 'chart house' is standard. In American English, 'chartroom' or 'pilot house' (though pilot house implies a steering location) are also commonly used, with 'chart house' understood but slightly less common in contemporary usage.

Connotations

In both varieties, it connotes traditional seamanship, navigation, and maritime operations. It may evoke a sense of older, pre-electronic navigation.

Frequency

The term is very low-frequency in general language but standard within professional maritime and yachting contexts in both regions.

Grammar

How to Use “chart house” in a Sentence

the [ship's/vessel's] chart housein/inside/into the chart housechart house of [ship name]

Vocabulary

Collocations

strong
nautical chart houseship's chart houseyacht's chart house
medium
enter the chart houselocated in the chart housechart house door
weak
small chart housewooden chart houseequipped chart house

Examples

Examples of “chart house” in a Sentence

verb

British English

  • The captain chart-housed the position before giving the order.
  • We need to chart house our course for the next leg.

American English

  • The navigator chart-housed our coordinates on the paper map.
  • Let's chart house a new route to avoid the storm.

adverb

British English

  • He worked chart-house-style, with meticulous precision.
  • The data was analysed chart-house carefully.

American English

  • She plotted the course chart-house slow and steady.
  • They navigated chart-house traditional, without GPS.

adjective

British English

  • The chart-house table was bolted to the deck.
  • He had a chart-house key on his keyring.

American English

  • The chart-house door was weatherproof.
  • We reviewed the chart-house procedures.

Usage

Meaning in Context

Business

Rarely used outside of maritime business (shipping, yacht building).

Academic

Used in maritime history, naval architecture, and navigation studies.

Everyday

Extremely rare, only among sailing enthusiasts or in historical contexts.

Technical

Standard term in nautical engineering, yacht design, and professional seamanship.

Vocabulary

Synonyms of “chart house”

Strong

plotting room (naval, more modern/military)pilot house (if combined with steering)

Neutral

chartroomnavigation room

Weak

navigation stationmap room (non-nautical analog)

Vocabulary

Antonyms of “chart house”

open deckcabin (general living quarters)engine room

Watch out

Common Mistakes When Using “chart house”

  • Spelling it as one word: 'charthouse' (acceptable as a variant but less standard).
  • Confusing it with 'wheelhouse' (which is primarily for steering).
  • Using it to refer to a land-based building.

FAQ

Frequently Asked Questions

It is traditionally written as two separate words ('chart house'), though the compound form 'charthouse' is also seen and is generally accepted.

A chart house is specifically for navigation planning and chart storage. A wheelhouse is where the ship is steered (contains the wheel/helm). They can be combined in smaller vessels but are distinct areas on larger ships.

Yes, especially on traditional sailing vessels, yachts, and in historical contexts. On large commercial and naval ships, the functions are often integrated into a high-tech 'bridge' or 'operations room,' but the term is still understood.

Almost never. It is a specifically nautical term. A land-based office for cartographers or a map library would not be called a chart house.

A small, enclosed structure on the deck of a ship where nautical charts are stored and used for navigation.

Chart house is usually specialized, technical in register.

Chart house: in British English it is pronounced /ˈtʃɑːt ˌhaʊs/, and in American English it is pronounced /ˈtʃɑːrt ˌhaʊs/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • Spend more time in the chart house than on the bridge. (Implies over-planning and lack of action.)

Learning

Memory Aids

Mnemonic

Think: A HOUSE for CHARTS on a ship. Just like a dog house is for a dog, a chart house is for charts.

Conceptual Metaphor

THE BRAIN/COMMAND CENTER OF THE SHIP (where the course is planned).

Practice

Quiz

Fill in the gap
Before modern GPS, sailors would spend hours in the plotting their position with a sextant and paper maps.
Multiple Choice

What is the primary function of a chart house on a ship?