Meanings
nounfiller cap (plural filler caps)
plural filler caps
- The cap that closes the opening of a tank, e.g. the fuel tank of a car, through which the tank can be filled.
Synonyms: fuel door, gas cap, petrol cap, tank cap, tank cover
Synonyms & antonyms
nounThe cap that closes the opening of a tank, e.g. the fuel tank of a car, through which the tank can be filled.
Similar
Translations
Chinese Mandarin 油箱蓋 /油箱盖
- 油箱蓋 /油箱盖cap to fill a tank
Danish benzindæksel, tankdæksel
- benzindækselcap to fill a tank
- tankdækselcap to fill a tank
Finnish täyttöaukon tulppa, täyttöaukon kansi
- täyttöaukon tulppacap to fill a tank
- täyttöaukon kansicap to fill a tank
- täyttöaukon korkkicap to fill a tank
German Tankdeckel, Verschlussdeckel
- Tankdeckelcap to fill a tank
- Verschlussdeckelcap to fill a tank
- Einfülldeckelcap to fill a tank
Polish zakrętka zbiornika paliwa
- zakrętka zbiornika paliwacap to fill a tank
Russian кры́шка бензоба́ка, кры́шка то́пливного ба́ка
- кры́шка бензоба́ка (krýška benzobáka)cap to fill a tank
- кры́шка то́пливного ба́ка (krýška tóplivnovo báka)cap to fill a tank
Swedish tanklock
- tanklockcap to fill a tank
Cite this entry
APA
filler cap. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/filler%20cap
MLA
“filler cap.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/filler%20cap. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “filler cap,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/filler%20cap.
Source: filler cap on Wiktionary, CC BY-SA 4.0.