delicacy

Short definition from Wiktionary

Noun

1. 1
   The quality of being delicate.
2. 2
   Something appealing, usually a pleasing food, especially a choice dish of a certain culture suggesting rarity and refinement.
3. 3
   Fineness or elegance of construction or appearance.
4. 4
   Frailty of health or fitness.
5. 5
   Refinement in taste or discrimination.
6. 6
   Tact and propriety; the need for such tact.