Définitions
1.NounA brick, concrete or stone structure built against another structure to support it.
2.NounAnything that serves to support something; a prop.
3.NounA buttress root.
4.NounA feature jutting prominently out from a mountain or rock."Crowell Buttresses, Dismal Buttress"
5.NounAnything that supports or strengthens.
6.VerbTo support something physically with, or as if with, a prop or buttress.
7.VerbTo support something or someone by supplying evidence.