鳌头：指皇宫大殿前石阶上刻的鳌的头，考上状元的人可以踏上。后来用“独占鳌头”比喻占首位或取得第一名。
Head of a legendary turtle carved on the stone steps leading to the main hall of the Imperial Palace to be ascended only by he who scored the top marks in the nation's highest imperial examination; (fig.) be the champion; win first prize
