EMBARK meaning : 1 : to begin a journey especially on a ship or airplane; 2 : to begin (a journey) Definition of embark verb in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. embark (third-person singular simple present embarks, present participle embarking, simple past and past participle embarked) (transitive) To cover or enclose with bark. (The addition of quotations indicative of this usage is being sought:) Embark means to board a ship or aircraft, or to start a new project or venture. Learn the pronunciation, origin, and usage of the word embark with Collins English Dictionary.