from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hybrid cross of the sweet orange and the trifoliate orange.
from the GNU version of the Collaborative International Dictionary of English
- n. A citrous fruit produced by a cross between the sweet orange and the trifoliate orange (Citrus trifoliata). It is more acid and has a more pronounced aroma than the orange; the tree is hardier. There are several varieties.
from The Century Dictionary and Cyclopedia
- n. A hybrid fruit produced by crossing the hardy trifoliolate orange (Citrus trifoliata) and the common sweet orange.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. more aromatic and acid tasting than oranges; used in beverages and marmalade
- n. more aromatic and acidic than oranges
Sorry, no etymologies found.
I'm still trying to figure out the precise connection to Dr. Walter T. Swingle, early 20th century USDA botanist...and creator of such citrus hybrids like the "citrange," "citrangequat," and "limequat."