Anything that supports or strengthens.
A brick or stone structure built against another structure to support it.
A buttress-root.
Anything that serves to support something; a prop.
A feature jutting prominently out from a mountain or rock.
To support something or someone by supplying evidence.
To support something physically with, or as if with, a prop or buttress.
Any object that makes life more convenient; a helpful item.
The quality of being convenient.
A convenient time.
To make convenient