Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several plants of the genera Spermacoce and Diodia, of the madder family.

from the GNU version of the Collaborative International Dictionary of English

  • n. The name of several plants of the genera Spermacoce and Diodia, of the Madder family.

from The Century Dictionary and Cyclopedia

  • n. A name given to several rubiaceous plants belonging to the genera Spermacoce, Diodia, and Borreria.
  • n. The knapweed, Centaurea nigra.

Etymologies

button +‎ weed (Wiktionary)

Examples

Comments

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