from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A palm (Hyphaene thebaica) native to the Nile Valley of northeast Africa and having oblong or ovoid fruits the size of an orange with a distinctive aroma and taste. Also called doum, gingerbread palm.
from the GNU version of the Collaborative International Dictionary of English
- A species of palm tree (Hyphæne Thebaica), highly valued for the fibrous pulp of its fruit, which has the flavor of gingerbread, and is largely eaten in Egypt and Abyssinia.
Probably from Arabic dialectal dōm, variant of Arabic dawm.(American Heritage® Dictionary of the English Language, Fourth Edition)