MUDFLAT
Meaning of MUDFLAT in English
/ ˈmʌdflæt; NAmE / noun
[ usually pl. ] an area of flat muddy land that is covered by the sea when it comes in at high tide
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005