Function: adjective suffix
Etymology: Latin -aceus
1 a : characterized by : full of <set aceous > b : consisting of <diatom aceous > : having the nature or form of <tuff aceous >
2 a : of or relating to a group of animals typified by (such) a form <cet aceous > or characterized by (such) a feature <crust aceous > b : of or relating to a plant family <solan aceous >