Meaning of “surface” - Learner’s Dictionary

surface

verb uk us /ˈsɜːfɪs/
APPEAR [ I ]

to appear or become public, often after being hidden:

This problem first surfaced about two weeks ago.
So when did these allegations surface?
RISE [ I ]

to rise to the surface of water:

The submarine surfaced a few miles off the coast.
COVER [ T ]

to cover a road with a hard substance

(Definition of “surface verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)