Zest \Zest\, v. t. [imp. & p. p. {Zested}; p. pr. & vb. n. {Zesting}.] 1. To cut into thin slips, as the peel of an orange, lemon, etc.; to squeeze, as peel, over the surface of anything. [1913 Webster] 2. To give a relish or flavor to; to heighten the taste or relish of; as, to zest wine. --Gibber. [1913 Webster]