'Colombin' definitions:
- Colombin \Co*lom"bin\, n. (Chem.)
See Calumbin.
[1913 Webster]
- Calumbin \Ca*lum"bin\, n. (Chem.)
A bitter principle extracted as a white crystalline substance
from the calumba root. [Written also colombin, and
columbin]
[1913 Webster]