Lewis & Short

zingĭbĕri or zimpĭbĕri, indecl. n., = ζιγγίβερι, ginger: Amomum zingiber, Linn.; Plin. 12, 7, 14, § 27.
Also zingĭ-ber, ĕris, n., Cels. 5, 23 fin.; Pall. Oct. 20, 2; Apic. 2, 2.