1. the outer or topmost boundaries or layers of objects
Usage: plural of surface

1. comes up to or appears at the surface, especially from underwater or underground
Usage: third person singular present
2. becomes known or evident after being hidden
Usage: third person singular present

Examples

• The table has scratches on both surfaces.
• Ocean surfaces reflect sunlight beautifully.
• The submarine surfaces every few hours.
• New evidence surfaces in the investigation.
• She surfaces from her deep thoughts when called.
• The whale surfaces to breathe air.
• Problems often surface during testing phases.