1. essence, attar, scent; incense. 2. Perfume, aroma, fragrance all refer to agreeable odors. Perfume often indicates a strong, rich smell, natural or manufactured: the perfume of flowers. Fragrance is usually applied to fresh, delicate, and delicious odors, especially from growing things: fragrance of new-mown hay. Aroma is restricted to a somewhat spicy smell: the aroma of coffee.