The Collaborative International Dictionary
Ellagic
Ellagic \El*lag"ic\, a. [F., fr. galle gall (with the letters reversed).] (Chem.) Pertaining to, or derived from, gallnuts or gallic acid; as, ellagic acid.
Ellagic acid (Chem.), a white crystalline substance, C14H8O9, found in bezoar stones, and obtained by the oxidation of gallic acid.
Wiktionary
ellagic
a. Of or pertaining to gallnuts