n. A blossom; the flower of a plant, especially of an ornamental plant; an expanded bud.n. The state of blossoming; the opening of flowers in general; flowers collectively: as, the plant is in bloom, or covered with bloom.n. A state of health and growth promising higher perfection; a flourishing condition; a palmy time: as, the bloom of youth.n. The rosy hue on the cheek indicative of youth and health; a glow; a flush.n. A name sometimes given to minerals having a bright color: as, the rose-red cobalt bloom, or erythrite, etc.n. A powdery deposit or coating of various kinds.n. The powdery appearance on coins, medals, and the like, when newly struck.n. In painting, a cloudy appearance on the surface of varnish.n. The yellowish fawn-colored deposit from the tanning-liquor on the surface of leather, and penetrating it to a slight depth.n. A fine variety of raisin.To produce or yield blossoms; flower, literally or figuratively.To glow with a warm color.To be in a state of healthful beauty and vigor; show the beauty of youth; flourish; glow.To put forth, as blossoms.To impart a bloom to; invest with luster or beauty.n. A roughly prepared mass of iron, nearly square in section, and short in proportion to its thickness, intended to be drawn out under the hammer or between the rolls into bars.