n. A plant of the genus Brassica; now specifically, a Brassica plant without a head used for food, such as kale.
the GNU version of the Collaborative International Dictionary of English
n. A variety of cabbage in which the leaves never form a compact head.
n. Any white cabbage before the head has become firm.
The Century Dictionary and Cyclopedia
n. The common cultivated cabbage, Brassica oleracea.
n. A young cabbage cut before the head is formed.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a hardy cabbage with coarse curly leaves that do not form a head
Word Usage
"The original of all the cabbage tribe is the wild plant sea-colewort, which is to be found wasting whatever sweetness it may have on the desert air, on many of the cliffs of the south coast of England."