Save Type Surname (from occupation) Usage English Pronounced Pron. /ˈfɔs.təɹ/(American English) /ˈfɒs.tə/(British English) [key·simplify] Meaning & History Occupational name for a maker of saddle trees, derived from Old French fustier. Related NamesDetails Given Name DescendantFoster(English) Same SpellingFoster 1, Foster 2, Foster 4 Categories craftsmanship, tools