I. noun 1. a succulent plant with a rosette of thick tapering leaves and bell-shaped or tubular flowers on long stems, native to the Old World.●Genus Aloe, family Liliaceae (or Aloaceae). 2. ( aloes or bitter aloes) [ mass noun] — a strong laxative obtained from the bitter juice of various kinds of aloe. 3. (also American aloe) — another term for century plant. 4. (also aloes wood) [ mass noun] — the fragrant heartwood of a tropical Asian tree.●The tree belongs to the genus Aquilaria, family Thymelaeaceae, in particular A. agallocha. 5. the resin obtained from aloes wood, used in perfume, incense, and medicine.
– origin Old English alewe, alwe (denoting the fragrant resin or heartwood of certain oriental trees), via Latin from Greek aloē; reinforced in late Middle English by Old French aloes ‘aloe’, hence frequently used in the plural.