mainland What is the Definition of mainland?Noun:the main land mass of a country or continent; as distinguished from an island or peninsula Other meanings of mainland (synonyms, cognates). ENRU mainland материк Frequently viewed: acquire definitionvector meaningtie meaningnine definitionbill meaningtree meaningperson definitionchase meaningenglish meaningphone meaningsecondary definitionouter definition A B C D E F G H I J K L M N O P Q R S T U V W X Y Z