n Any plant of a genus (Zingiber, especially (taxlink|Zingiber officinale|species)) of tropical Asiatic and Polynesian herbs of a family (Zingiberaceae, the ginger family) with pungent aromatic rhizomes used as a condiment and as a stimulant and acarminative.
n The rhizome of this plant used as a spice either as it is or in dried powdered form.
n A reddish-brown colour/color.
n (colloquial|countable) A person with reddish-brown hair; a redhead.