from the GNU version of the Collaborative International Dictionary of English
- n. A large, white, South American duck, of the genus Cascoroba, resembling a swan.
from The Century Dictionary and Cyclopedia
- n. A large swan-like duck, Coscoroba coscoroba, of South America, which has a white body and a long, slender, black neck.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. large white South American bird intermediate in some respects between ducks and swans
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