[buh-nan-zuh, boh-] 
| 1. | a rich mass of ore, as found in mining. |
| 2. | a source of great and sudden wealth or luck; a spectacular windfall: The play proved to be a bonanza for its lucky backers. |
| bo·nan·za (bə-nān'zə) n.
[Spanish, from Medieval Latin bonacia, calm sea, blend of Latin bonus, good; see deu-2 in Indo-European roots, and Medieval Latin malacia, calm sea (from Greek malakiā, from malakos, soft; see mel-1 in Indo-European roots).] |