D defs.my
Entry 1 sense Webster, 1913

Colchicine

/kôl'-chəs-ēn/ · Col·chi·cine · IPA /ˈkɑl.t͡ʃəˌsiːn/
01 n. A powerful vegetable alkaloid, C17H19NO5, extracted from the Colchicum autumnale, or meadow saffron, as a white or yellowish amorphous powd…
  1. 1.
    A powerful vegetable alkaloid, C17H19NO5, extracted from the Colchicum autumnale, or meadow saffron, as a white or yellowish amorphous powder, with a harsh, bitter taste; -- called also colchicia.(Chem.) Also: colchicia