n. The inner chaff of wheat: chiefly in the plural.n. The male redstart, a bird, Ruticilla phœnicura. See first cut under redstart.n. The tree-or mountain-sparrow, Passer montanus.n. 3. plural The common mushroom, Agaricus campestris.n. Nautical, a wave with a broken crest showing as a white patch; a white horse.n. [capitalized] One of a self-constituted body or committee of persons, who, generally under the guise of rendering service or protection to the community in which they dwell, commit various outrages and lawless acts.