- a white or reddish, tasteless and odorless gum, used in pharmacy, calico printing, etc.
- any of various, esp. Asian, plants (genus Astragalus) of the pea family, yielding this gum
Origin of tragacanthFrench tragacanthe ; from Classical Latin tragacantha ; from Classical Greek tragakantha ; from tragos, goat (see tragedy) + akantha, thorn (see acantho-)
- Any of several spiny Asian shrubs of the genus Astragalus of the pea family, especially A. gummifer, of the Middle East, yielding a gum used in pharmaceuticals, adhesives, and textile printing, and as an emulsifier and thickener in foods.
- The gum of any of these plants.
Origin of tragacanthLatin tragacantha, from Greek tragakantha : tragos, goat + akantha, thorn, spine.