Definitions
1.nounThe outer skin of a citrus fruit, used as a flavouring or garnish."The orange zest gives the strong flavor in this dish."
2.nounGeneral vibrance of flavour."I add zest to the meat by rubbing it with a spice mixture before grilling."
3.noun(by extension) Enthusiasm; keen enjoyment; relish; gusto.
4.nounThe woody, thick skin enclosing the kernel of a walnut.
5.verbTo scrape the zest from a fruit.
6.verbTo make more zesty.