/gweuh nuy"/ ; Sp. /gwah nuy"/ , n. , pl. guanayes /-nuy"ays/ ; Sp. /-nah"yes/ , guanays .
a cormorant, Phalacrocorax bougainvillii, of islands off the coasts of Peru and Chile, a chief source of guano. Also called guanay cormorant .
[ 1855-60; guanae, appar. as back formation from colonial Sp huanaes, as pl. of huano GUANO, taken as the name of the bird that produced it ]