guano

Definition

Dung from a sea bird or from a bat.

Etymology

Borrowed from Spanish guano, from Quechua wanu.

Example Sentences

• "The guano, so extensively used for manure, is full of the most beautiful infusoria, some of them splendidly iridiscent; and there is no better method of testing the genuineness of this useful substance than by the microscope."
• "In the second experiment, a comparative trial was made between guano and bone-dust mixed with coal ashes."
• "Low-grade phosphatic guanos can be mixed with coffee hulls and pulp, which contain a small amount of potash."