plural of surface
"The inspector cleaned every exposed surfaces to ensure they were free from dust and debris."
Third-person singular simple present indicative form of surface
"The ice surfaces quickly under the warm sun."
In plain English: To surface something means to bring it up from underneath so that it becomes visible again.
"He surfaces from the icy water after holding his breath for ten minutes."
plural of Surface
"The three surfaces of the triangular prism were painted in different colors."