Phrase guide

filler cap

noun · 1 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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1

noun

Meaning 1

The cap that closes the opening of a tank, e.g. the fuel tank of a car, through which the tank can be filled.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Narrower terms: petrol cap

History

Etymology

No etymology was provided for this word.

Across languages

Translations

13 source translations are retained for this English entry.

  • Chinese Mandarin: 油箱蓋 /油箱盖 — cap to fill a tank
  • Danish: benzindæksel — cap to fill a tank
  • Danish: tankdæksel — cap to fill a tank
  • Finnish: täyttöaukon tulppa — cap to fill a tank
  • Finnish: täyttöaukon kansi — cap to fill a tank
  • Finnish: täyttöaukon korkki — cap to fill a tank
  • German: Tankdeckel — cap to fill a tank
  • German: Verschlussdeckel — cap to fill a tank
  • German: Einfülldeckel — cap to fill a tank
  • Polish: zakrętka zbiornika paliwa — cap to fill a tank
  • Russian: кры́шка бензоба́ка (krýška benzobáka) — cap to fill a tank
  • Russian: кры́шка то́пливного ба́ка (krýška tóplivnovo báka) — cap to fill a tank
  • Swedish: tanklock — cap to fill a tank