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Definition of guano
: a fertilizer containing the accumulated excrement of seabirds or bats; broadly : excrement especially of seabirds or bats
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Recent Examples of guano from the Web
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An international team of researchers recently mapped the history of the penguin colony by taking a look at their of guano—or bird poop.
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Dr. Roberts said the team of scientists did not set out to study guano.
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Fertilizer as good as bat guano for high-alkaline soil.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'guano'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of guano
Spanish, from Quechua wanu fertilizer, dung
GUANO Defined for English Language Learners
guano
playDefinition of guano for English Language Learners
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: waste material from birds and bats that is used to help plants grow
Learn More about guano
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See words that rhyme with guano Spanish Central: Translation of guano Britannica.com: Encyclopedia article about guano
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