oil cake

Noun

oil cake (countable and uncountable, plural oil cakes)

1. The solid residue remaining after any oilseed has been pressed to remove the vegetable oil; it is used, with other ingredients, as animal food.
   • The public learned that it and similar companies in other countries were about to farm triffids on a large scale, in order to extract valuable oils and juices and to press highly nutritious oil-cake for stock feeding.1951, John Wyndham, The Day of the Triffids, Harmondsworth: Penguin Books, published 1954, page 45
2. A cake made with vegetable oil instead of butter.