mouth-root
US
noun
A small North American plant of shady swamps, Coptis trifolia (family Ranunculaceae), which has an astringent root reputed to cure sore mouths; also called goldthread.
Origin
Late 18th century; earliest use found in Memoirs of the American Academy of Arts and Sciences.
- beat
- beatable
- beat about the bush
- beat a (hasty) retreat
- be at a loose end (or at loose ends)
- beat a path to someone's door
- beat a retreat
- be at a stand
- beatbox
- beatboxer
- beatboxing
- be at daggers drawn
- beat down
- be at each other's throats
- beaten
- beater
- beater bar
- beat frequency
- beat-frequency oscillator
- beat generation
- beatific
- beatifically
- beatification
- beatify
- beating