BECHE-DE-MER Meaning of BECHE-DE-MER in English beche-de-mer, bêche-de-mer BrE AmE ˌbeʃ də ˈmeə ˌbeɪʃ- AmE \ -ˈme ə r —This is not a true French expression. Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012