noun
A male member of a royal family, especially the son of a king or queen. Also used figuratively for a man who is outstanding in a particular field.
イギリスのウィリアム王子はプリンスと呼ばれている。
Prince William of the United Kingdom is called a prince.
彼はバスケットボール界のプリンスだ。
He is the prince of the basketball world.