Word Study
butter and eggs
CIDE DICTIONARY
butter and eggs, n.
a name given to several perennial plants having showy flowers of two shades of yellow, or of yellow and orange, such as Narcissus incomparabilis in Europe, and the toadflax (Linaria vulgaris ) in the United States; the latter is a naturalized weed in North America. [1913 Webster]
For further exploring for "butter and eggs" in Webster Dictionary Online