50%RatingSave Gender Masculine Usage English Pronounced Pron. /ˈfɔs.təɹ/(American English) /ˈfɒs.tə/(British English) [key·simplify] Meaning & HistoryExpand Links English form of Vaast, referring to Saint Vedastus. Related NamesFamily Tree·Details Rootswidu/witu + gasti/gastOther Languages & CulturesVaast(Flemish) Vedastus, Vedast(History) Vaast(Norman) Vaast(Picard) Same SpellingFoster 1 PopularityDetails Last ranked #967 in 2023 United States