Definitions for guanoˈgwɑ noʊ
Random House Webster's College Dictionary
a natural manure composed chiefly of the excrement of sea birds, found esp. on islands near the Peruvian coast.
any similar substance, as an artificial fertilizer made from fish.
Origin of guano:
1595–1605; < Sp
the excrement of sea birds; used as fertilizer
Dung from a sea bird or from a bat.
Origin: From guano, from huanu.
a substance found in great abundance on some coasts or islands frequented by sea fowls, and composed chiefly of their excrement. It is rich in phosphates and ammonia, and is used as a powerful fertilizer