Meaning and information about Lancelot, What does Lancelot mean? Lancelot means Servant. God-like. Also a diminutive of Lance. In Arthurian legend, Sir Lancelot was King Arthur's close friend and a Knight of the Round Table. A central theme in Arthurian legend is the adulterous love between Lancelot and Queen Guinevere. Find similar names like Lancelot.