The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
guano
1 ENTRIES FOUND:
guano
(noun)
guano
/
ˈ
gwɑːnoʊ/
noun
guano
/
ˈ
gwɑːnoʊ/
noun
Britannica Dictionary definition of GUANO
[
noncount
]
:
waste material from birds and bats that is used to help plants grow
ASK THE EDITOR
Why do we say "did you know" rather than "do you know"?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
protocol
:
a system of rules that explain the correct conduct and procedures to follow in formal situations
Learn More »
