guano Meaning, Definition & Usage

  1. noun the excrement of sea birds; used as fertilizer

WordNet

Gua"no noun
Etymology
Sp. guano, fr. Peruv. huanu dung.
Wordforms
plural Guanos
Definitions
  1. 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.

Webster 1913