from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various thorny shrubs of the genus Astragalus, especially A. gummifer, of the Middle East, yielding a gum used in pharmacy, adhesives, and textile printing.
- n. The gum of this plant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a polysaccharide gum, extracted from several species of leguminous plants of the genus Astragalus, used as a food additive
from the GNU version of the Collaborative International Dictionary of English
- n. A kind of gum procured from a spiny leguminous shrub (Astragalus gummifer) of Western Asia, and other species of Astragalus. It comes in hard whitish or yellowish flakes or filaments, and is nearly insoluble in water, but slowly swells into a mucilaginous mass, which is used as a substitute for gum arabic in medicine and the arts. Called also gum tragacanth.
from The Century Dictionary and Cyclopedia
- n. A mucilaginous substance, the product of several low, spiny shrubs of the genus Astragalus, among them A. gummifer. A. eriostylus, A. adscendens, A. brachycalyx, and A. microcephalus, plants found in the mountains of Asia Minor and neighboring lands.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a gum used in pharmacy, adhesives, and textile printing
Latin tragacantha, from Greek tragakantha : tragos, goat + akantha, thorn.(American Heritage® Dictionary of the English Language, Fourth Edition)