Definition of "Venus" :

noun: type genus of the family Veneridae: genus of edible clams with thick oval shells

noun: the second nearest planet to the sun; it is peculiar in that its rotation is slow and retrograde (in the opposite sense of the Earth and all other planets except Uranus); it is visible from Earth as an early morning star' or an evening star'

"Before it was known that they were the same object the evening star was called Venus and the morning star was called Lucifer."

noun: goddess of love; counterpart of Greek Aphrodite