Reading
Shortcuts
Home
All Articles
Read from Another Site
Sources
Wikipedia
Simple Wikipedia
VOA Learning English
Futurity
The Conversation
MIT News
Harvard Gazette
Cambridge News
YDS/YÖKDİL Passages
Topics
Technology
Engineering
Business
Economics
Human
Health
Energy
Biology
Nature
Space
Log in
Sign up
2.53
History
Add
guano
noun
[ ˈɡwɑːnəʊ ]
• the excrement of seabirds and bats, used as fertilizer.
Origin:
early 17th century: from Spanish, or from Latin American Spanish huano, from Quechua huanu ‘dung’.