Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en guano300011808 A substance that is found on some coasts or islands frequented by sea fowl, composed chiefly of their partially decomposed excrement, rich in phosphate and nitrogenous matter, used extensively as fertilizer. Also refers to excrement of bats. guano guano 2026-03-30 21:06:29