from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An alkaloid extracted from hops.
from the GNU version of the Collaborative International Dictionary of English
- n. An alkaloid extracted from hops as a colorless volatile liquid.
from The Century Dictionary and Cyclopedia
- In botany, resembling a head of the hop.
Latin lupus the hop: compare French lupuline. (Wiktionary)