Dutch Etymology From bouwvak (“construction sector”) + -er. Pronunciation IPA(key): /ˈbɑu̯ˌvɑ.kər/ Audio:(file) Hyphenation: bouw‧vak‧ker Noun bouwvakker m (plural bouwvakkers, diminutive bouwvakkertje n) a builder, (notably professional) construction worker Synonyms bouwvakarbeider Derived terms bouwvakkersdecolleté Related terms bouwvakvakantie Wikiwand - on Seamless Wikipedia browsing. On steroids.