ACH-LAUT Meaning of ACH-LAUT in English ach-laut BrE AmE ˈæx laʊt ˈæk- AmE ˈɑːx- —German Achlaut [ ˈʔax lɑut \] ▷ ach-laut|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012