Cassia1. (n.) A genus of leguminous plants (herbs, shrubs, or trees) of many species, most of which have purgative qualities. The leaves of several species furnish the senna used in medicine.
2. (n.) The bark of several species of Cinnamomum grown in China, etc.; Chinese cinnamon. It is imported as cassia, but commonly sold as cinnamon, from which it differs more or less in strength and flavor, and the amount of outer bark attached.
Thesaurus Entries
acacia, ailanthus, alder, alligator pear, allspice, almond, apple, apricot, ash, aspen, atramentous, avocado, balsa, balsam, banyan, bass, basswood, bay, bayberry, beamless, beech, beechwood, betel palm, birch, black, black as coal, black as ebony, black as ink, black as midnight, black as night, black race, blackness, buckeye, burl, butternut, buttonwood, cacao, caliginous, candleberry, cashew, cassia, catalpa, charcoal, cherry, chestnut, chinquapin, cinnamon, citron, clove, coal, coal-black, coaly, coconut, cork, cork oak, crow, cypress, dark, dark as night, dark as pitch, darkling, darkness, darksome, deep black, dogwood, ebon, eclipsed, elder, elm, eucalyptus, fig, fir, frankincense, grapefruit, guava, gum, gumwood, hawthorn, hazel, hemlock, henna, hickory, holly, hop tree, horse chestnut, ink, ink-black, inkiness, inky, ironwood, jet, jetty, juniper, kumquat, laburnum, lancewood, larch, laurel, lemon, lime, linden, litchi, litchi nut, locust, logwood, magnolia, mahogany, mango, mangrove, maple, medlar, melanism, midnight, mountain ash, mulberry, night, night-black, night-clad, night-cloaked, night-dark, night-enshrouded, night-filled, night-mantled, night-veiled, nigrescence, nigritude, nigrous, nutmeg, oak, obfuscated, obscure, obscured, occulted, olive, orange, palm, papaw, papaya, peach, pear, pecan, persimmon, pine, pistachio, pitch, pitch-black, pitch-dark, pitchy, plane, plum, pomegranate, poplar, quince, raffia palm, rain tree, raven, raven-black, rayless, redwood, sable, sandalwood, sassafras, senna, sequoia, sloe, sloe-black, sloe-colored, smoke, smut, soot, spruce, starless, sumac, sunless, sycamore, tangerine, tar, tar-black, tarry, teak, tenebrious, tenebrose, tenebrous, tulip tree, unilluminated, unlighted, unlit, walnut, willow, witch hazel, yew