DREDGER
Meaning of DREDGER in English
/ ˈdredʒə(r); NAmE / noun
a boat or machine that is used to clear mud, etc. from the bottom of a river, or to make the river wider
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005