Definition of "hamachi"

Over an elaborate lunch — kimchi and other pickled vegetables, East and West Coast oysters, pork and shitake mushroom buns, noodle soups and hamachi with beet purée — he and Mr. McCarthy discussed their attempts to sidestep the clichés of postpunk stardom while still making a record people could dance, and debauch themselves, to.

2009 January 27, Melena Ryzik, “A Band Moves Away From the Style It Helped Make Mainstream”, in New York Times‎