sump pump: meaning, definition, pronunciation and examples

Low Frequency
UK/ˈsʌmp ˌpʌmp/US/ˈsʌmp ˌpʌmp/

Technical, Everyday (in contexts of home maintenance, construction)

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Quick answer

What does “sump pump” mean?

A small mechanical pump installed in a sump (a pit) to remove accumulated water or other liquids.

Audio

Pronunciation

Definition

Meaning and Definition

A small mechanical pump installed in a sump (a pit) to remove accumulated water or other liquids.

Any device used to drain a low-lying collection area of unwanted liquid, often used to prevent basement or crawl space flooding. In automotive contexts, it can refer to a pump that removes oil from the crankcase (oil sump).

Dialectal Variation

British vs American Usage

Differences

The term is identical in both varieties. The concept and device are common in both regions. British English may also use 'cellar pump' or simply 'drainage pump' in everyday conversation, but 'sump pump' is the standard technical term.

Connotations

Neutral/technical. Associated with home maintenance, waterproofing, and basement care.

Frequency

Slightly more frequent in American English due to the higher prevalence of basements in residential construction.

Grammar

How to Use “sump pump” in a Sentence

The [ADJ] sump pump [VERB] the water from the basement.We need to [VERB] the sump pump in the [NOUN].

Vocabulary

Collocations

strong
install a sump pumpbattery backup sump pumpsubmersible sump pumpsump pump pit
medium
the sump pump failedsump pump systemsump pump hosepedestal sump pump
weak
powerful sump pumpnew sump pumprun the sump pumpquiet sump pump

Usage

Meaning in Context

Business

Used in the context of home inspection reports, real estate listings, and plumbing service offerings.

Academic

Rare; might appear in engineering or civil engineering texts on building infrastructure or hydrology.

Everyday

Used by homeowners discussing basement flooding, home maintenance, or during heavy rainfall.

Technical

Standard term in plumbing, construction, waterproofing, and home appliance manuals.

Vocabulary

Synonyms of “sump pump”

Neutral

drainage pumpwater pump (for this specific function)bilge pump (nautical/automotive analogy)

Weak

cellar pump (BrE informal)basement pump

Vocabulary

Antonyms of “sump pump”

water feature pumpinjection pump

Watch out

Common Mistakes When Using “sump pump”

  • Misspelling as 'sump-pump' (hyphen is sometimes used but less common in modern writing).
  • Confusing it with a general 'water pump'.
  • Using it as a verb (e.g., 'I need to sump pump the cellar' is non-standard).

FAQ

Frequently Asked Questions

Primarily, yes, but it can be used in any low-lying collection area prone to flooding, such as a crawl space, garage pit, or even under a shower tray in some installations.

Most do, which is why battery backup systems are recommended to ensure operation during power cuts, which often coincide with heavy storms that cause flooding.

A submersible pump operates underwater inside the sump pit and is generally quieter. A pedestal pump has the motor mounted above the pit on a pedestal, making it easier to service but noisier.

No, it is strictly a noun. The action is 'to pump (out)' or 'to drain'. For example: 'We need to pump the water out of the sump.'

A small mechanical pump installed in a sump (a pit) to remove accumulated water or other liquids.

Sump pump is usually technical, everyday (in contexts of home maintenance, construction) in register.

Sump pump: in British English it is pronounced /ˈsʌmp ˌpʌmp/, and in American English it is pronounced /ˈsʌmp ˌpʌmp/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think of a PUMP in a Sump: It's a PUMP that sits in a SUMP (a pit), and its job is to THUMP (pump) water up and out.

Conceptual Metaphor

A GUARDIAN OF THE DEPTHS: The sump pump is metaphorically seen as a protector or sentinel that keeps the underworld (flooded basement) at bay.

Practice

Quiz

Fill in the gap
During the spring thaw, the ran continuously to keep the basement dry.
Multiple Choice

What is the primary function of a sump pump?