from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Southwestern U.S. A rafter or roofbeam, especially a trimmed and peeled tree trunk whose end projects from an outside adobe wall.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a roughly made rafter or roof timber, especially in a Latin American village
American Spanish, from Spanish, perhaps from Latin bīga, team of horses, cart (from the long pole between the two horses); see yeug- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Spanish viga. (Wiktionary)