To support something physically with, or as if with, a prop or buttress.
To support something or someone by supplying evidence.
A brick or stone structure built against another structure to support it.
Anything that supports or strengthens.
A buttress-root.
Anything that serves to support something; a prop.
A feature jutting prominently out from a mountain or rock.
To make of equal weight; to counterbalance.
Equal weight; equiponderance.