What is the meaning of Cologne?

A type of perfume consisting of 2-5% essential oils, 70-90% alcohol and water.

Any of a family of fresh, citrus-based fragrances distilled using extracts from citrus, floral, and woody ingredients, said to have been developed in the early 18th century in Cologne, Germany.

A fragrance typically worn by a man as opposed to a woman, regardless of its concentration.