filler cap

Noun

Meaning

filler cap (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.
Hyponym: petrol cap

Source: en.wiktionary.org

Synonyms

gas cap tank cap tank cover fuel door

Close letter words and terms

fillemot Fillenwarth filler filler dna filler element filler for bookcases