name

• (astronomy) The second planet in the Solar system, named for the goddess.
  "Near-synonyms: morning star, Phosphorus, Eosphorus, Lucifer; evening star, Vesper, Hesperus"
• (Roman mythology) The goddess of love, beauty, fertility, and sexuality;
  "Their figures are universally models for brunette Venuses, and their feet arch like rainbows, and are Cinderellian in size."

noun

• (obsolete or poetry) Sexual activity or intercourse, sex; lust, love.
  "Immoderate Venus in excess, as it is a cause, or in defect; so, moderately used, to some parties an only help, a present remedy."
• (obsolete, alchemy, chemistry) Copper (a reddish-brown, malleable, ductile metallic element).
  "CRYSTALS of Venus or of copper, called also vitriol of Venus, is copper reduced into the form of vitriol by spirit of nitre, or by dissolving verdegris in good distilled vinegar, till the acid be saturated; it is very caustic and used to eat off proud flesh. It is also used by painters, and manufacturers, and sold under the name of distilled vinegar. See CHEMISTRY."