freeze over

US /friːz ˈoʊ.vər/
UK /friːz ˈoʊ.vər/
"freeze over" picture
1.

congelarse, helarse

if a body of water freezes over, it becomes covered with ice

:
The pond froze over completely during the cold snap.
El estanque se congeló por completo durante la ola de frío.
We can go ice skating once the lake freezes over.
Podemos ir a patinar sobre hielo una vez que el lago se congele.