n An often humid, yellowish froth produced by fermenting malt worts, and used to brew beer, leaven bread, and also used in certain medicines.
n A single-celled fungus of a wide variety of taxonomic families.
n A true yeast or budding yeast in order Saccharomycetales.
n baker's yeast, Saccharomyces cerevisiae
n A compressed cake or dried granules of this substance used for mixing with flour to make bread dough rise.
n brewer's yeast, certain species of Saccharomyces, principally Saccharomyces cerevisiae and Saccharomyces carlsbergensis.
n Candida, a ubiquitous fungus that can cause various kinds of infections in humans.
n The resulting infection, candidiasis.
n (figuratively) A frothy foam.
v To ferment.
v (of something prepared with a yeasted dough) To rise.
v (African-American Vernacular, slang) To exaggerate.
n A surname.