The Venus symbol (♀) is a depiction of a circle with a small cross below it.The symbol is historically associated with the Roman goddess Venus or the Greek goddess Aphrodite.It has a Unicode designation of U+ 2640, and is used in various media to represent things associated in some way with the mythological character, including:1  The female sex. 2  The planet Venus.he Venus symbol (♀) is a depiction of a circle with a small cross below it.