- (by extension) Enthusiasm; keen enjoyment; relish; gusto.
"Auntie Mame had a real zest for life."
- The outer skin of a citrus fruit, used as a flavouring or garnish.
"The orange zest gives the strong flavors in this dish."
- The woody, thick skin enclosing the kernel of a walnut.
- To make more zesty
- (cooking) To scrape the zest from a fruit