drumhead cabbage

plural drumhead cabbages

1. A variety of large winter cabbage with tightly compacted leaves and a flattened shape.

   In these results the Sutton's Earliest Drumhead cabbage has given the highest average yield of green crop per acre when the seed was sown and treated in exactly the same way as that of rape.

   1911, Legislature of the Province of Ontario, Sessional Papers, volume 43, page 29

   1 more example

   His cows were fed with green food, as being so much cheaper than hay, and for this purpose he planted cabbages and turnips. […] The common drumhead cabbage were first used; next followed the common turnip, then the Swedish and kohlrabi, and last the coleseed.

   1808, C. Cradock with W. Joy, The Antijacobin Review and Magazine; or, Monthly Political and Literary Censor, volume XXXI, page 360