fishtail palm

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several tropical Asian palms of the genus Caryota, particularly C. mitis, that have bipinnate leaves with leaflets shaped like a fish tail and are often cultivated as ornamentals.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun attractive East Indian palm having distinctive bipinnate foliage