Wild rice was a type of grain eaten as a food.
In 2373, to distract a distressed Harry Kim, Tom Paris told him to think about "Crown roast of lamb, with a bed of wild rice, and a 2296 Chateau Lafite Rothschild at the real Sandrine's". (VOY: "The Chute")
In 2378, Seven of Nine served a holographic version of Chakotay rack of lamb with wild rice. (VOY: "Human Error")