open water
nounUK /ˌəʊpən ˈwɔːtə/
US /ˌoʊpən ˈwɔːtər/
Open water is a big area of water with no land around it.
The boat sailed across the open water.
SYNONYMS
OTHER MEANINGS
2. Water that is not covered by ice, especially in cold places.
The ducks found a patch of open water in the frozen pond.
3. A stretch of water where people swim outdoors, like a lake or sea.
She practices swimming in open water before the race.
4. Water far from the shore where it is deep and wide.
The fish swam out into the open water.