What is sporting lady?

Famous quotes containing the words lady and/or sporting:

    When Lady Mary Tufton married Dr. Duncan, an elderly physician, Mr. George Selwyn said, “How often will she say with Macbeth ‘Wake, Duncan, with thy knocking—would thou couldst!’”
    Horace Walpole (1717–1797)

    I once heard of a murderer who propped his two victims up against a chess board in sporting attitudes and was able to get as far as Seattle before his crime was discovered.
    Robert Benchley (1889–1945)