Fortuna, a Roman divinity, the goddess of luck, and especially good luck, to whom Servius Tullius, in acknowledgment of her favours to him, erected several temples in Rome; is represented in art as standing poised on a globe or a wheel, to express her inconstancy.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Forth * Fortunatus