burnet UK /ˈbɜːnɪt/US /ˈbɚnɪt/ noun2 •Any of the herbs of genus Sanguisorba (syn. Poterium), including salad burnet (Sanguisorba minor), an herb used in salads and herbal teas. •Any of several species of moths of the family Zygaenidae, typically having black forewings with red spots.There are a few day-flying exceptions such as hummingbird hawk-moths, silver Ys, cinnabars, scarlet tigers and burnets but, in general, knowledge of moths lags behind that of butterflies. — 2015 formsburnets