MARSH Meaning of MARSH in English /mahrsh/ , n.1. Dame (Edith) Ngaio /nuy"oh/ , 1899-1982, New Zealand writer of detective novels. 2. Reginald , 1898-1954, U.S. painter and illustrator. Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012