W1 Syllabification: (W)Pronunciation: /ˈdəbəlˌyo͞o/ (also w)Translate W | into French | into German | into Italian | into Spanish Definition of W noun (plural Ws or W's) 1the twenty-third letter of the alphabet. denoting the next after V in a set of items, categories, etc.. 2a shape like that of a letter W: [in combination]:the W-shaped northern constellation of CassiopeiaW in other Oxford dictionaries Definition of W in the British & World English dictionary