slippery elm

noun
1.
an elm, Ulmus rubra, of eastern North America, having a mucilaginous inner bark.
2.
the bark of this elm, used as a demulcent.
Origin
1740-50
Examples from the web for slippery elm
  • slippery elm or licorice root tea are both good for coating the throat, but some brands can be a little too sweet.
  • For sore throats, slippery elm bark can be taken as a tea.
  • Silver maples, green ash and slippery elm dominate the forest canopy.
  • Tree species which dominate the habitat includes silver maple with some red ash, swamp white oak, and slippery elm.
British Dictionary definitions for slippery elm

slippery elm

noun
1.
a tree, Ulmus fulva, of E North America, having oblong serrated leaves, notched winged fruits, and a mucilaginous inner bark
2.
the bark of this tree, used medicinally as a demulcent
Also called red elm