Standard Lemma guide

penstock

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A sluice or pipe which allows the controlled flow of water from behind a dam, typically routing it to a turbine of a power plant.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The barrel of a wooden pump.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

conduit that carries a rapid flow of water controlled by a sluicegate

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sluice, sluiceway

Antonyms: none provided

Broader terms: conduit

4

noun

Meaning 4

regulator consisting of a valve or gate that controls the rate of water flow through a sluice

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sluicegate, sluice valve, floodgate, head gate, water gate

Antonyms: none provided

Broader terms: regulator

History

Etymology

Perhaps from pen (“an enclosure”) + stock.

Across languages

Translations

5 source translations are retained for this English entry.

  • Arabic: بربخ - أنبوب مفرِّغ — sluice or pipe
  • Bulgarian: шлюз (šljuz) — sluice or pipe
  • Finnish: tulokanava — sluice or pipe
  • French: conduite forcée — sluice or pipe
  • German: Druckrohrleitung — sluice or pipe