/gruy"seuhn, griz"euhn/ , n.
a weasellike carnivore, Galictis vittata, ranging from southern Mexico to Peru, having a grayish-white upper body, a distinctive white stripe across the forehead and ears, and a dark brown face, chest, and legs.
[ 1790-1800; gris gray (see GRISEOUS) + -on dim. suffix ]