lady's thumb definition

  • noun:
    • A European perennial weed (Polygonum persicaria) having clusters of very small pinkish blossoms.
    • The invasive perennial plant Persicaria maculosa
    • a yearly grass (Polygonum Persicaria), having a lanceolate leaf with a dark area in the centre.
53 votes

How would you define lady's thumb?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!