What does "ginger" mean?

Ginger: The hot and spicy rootstock of Zingiber officinale, which is much used in cookery and in medicine. Ginger beer or ale, a mild beer impregnated with ginger. -- Ginger cordial, a liquor made from ginger, raisins, lemon rind, and water, and sometimes whisky or brandy. -- Ginger pop. See Ginger beer (above). -- Ginger wine, wine impregnated with ginger. -- Wild ginger (Bot.), an American herb (Asarum Canadense) with two reniform leaves and a long, cordlike rootstock which has a strong taste of ginger.