logogram Syllabification: (log·o·gram)Pronunciation: /ˈlôgəˌgram, ˈlägə-/Definition of logogram noun a sign or character representing a word or phrase, such as those used in shorthand and some writing systems. Origin: mid 19th century: from Greek logos 'word' + -gram1logogram in other Oxford dictionaries Definition of logogram in the British & World English dictionary