ðə nˈeɪm ɔːlɹˌɛdi tˈɛlz ˌʌs mˈʌtʃ ɐbˌaʊt ɪts fˈʌŋkʃən, ɛkstɹˈæktɪŋ ˈɔɪl, bˌʌt ðɪs wʌz nˌɑːt ˈɔːlweɪz ðə kˈeɪs æz ɪt fˈɜːst fˈʌŋkʃənd æz ɐ vˈɑːlmoʊlən ɐ mˈɪl tə pɹˈɛs wˈʊl.
The name already tells us much about its function, extracting oil, but this was not always the case as it first functioned as a volmolen (a mill to press wool).