from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. In plentiful supply; abundant: "There were warning signs aplenty for their candidates as well” ( Michael Gelb).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. In a generous or overlarge quantity.
- adv. Enough or more than enough.
Anglo-Norman a plenté ("in plenty"). (Wiktionary)