Definitions of gallant:

• noun:   a man who attends or escorts a woman
• noun:   a man who is much concerned with his dress and appearance
• adjective:   having or displaying great dignity or nobility

  Example: "A gallant pageant"

• adjective:   unflinching in battle or action

  Example: "A gallant warrior"

• adjective:   lively and spirited
• adjective:   having the qualities of gallantry attributed to an ideal knight
• name:  A surname (common: 1 in 25000 families; popularity rank in the U.S.: #2840)