The Collaborative International Dictionary
Galanga
Galanga \Ga*lan"ga\, Galangal \Ga*lan"gal\, n.[OE. galingale, OF. galingal, garingal, F. galanga (cf. Sp. galanga), prob. fr. Ar. khalanj[=a]n. ] The pungent aromatic rhizome or tuber of certain East Indian or Chinese species of Alpinia ( Alpinia Galanga and Alpinia officinarum) and of the K[ae]mpferia Galanga), -- all of the Ginger family.
Wiktionary
galanga
n. (alternative spelling of galangal English)