guano

[ gwah-noh ]
/ ˈgwɑ noʊ /

noun

a natural manure composed chiefly of the excrement of sea birds, found especially on islands near the Peruvian coast.
any similar substance, as an artificial fertilizer made from fish.

Origin of guano

1595–1605; < Spanish: fertilizer, dung; American Spanish huano dung < Quechua wanu dung for fuel, fertilizer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for guano

British Dictionary definitions for guano

guano
/ (ˈɡwɑːnəʊ) /

noun plural -nos

  1. the dried excrement of fish-eating sea birds, deposited in rocky coastal regions of South America: contains the urates, oxalates, and phosphates of ammonium and calcium; used as a fertilizer
  2. the accumulated droppings of bats and seals
any similar but artificial substance used as a fertilizer

Word Origin for guano

C17: from Spanish, from Quechuan huano dung
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for guano

guano
[ gwänō ]

A substance composed chiefly of the dung of sea birds or bats, accumulated along certain coastal areas or in caves and used as fertilizer.
Any of various similar substances, such as a fertilizer prepared from ground fish parts.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.