lake, loch = jezioro

Yes, the lake ...

Source: http://www.wunderground.com/blog/DataPilot/archive.html?year=2009&month=03

jezioro

lake , also: loch ScoE = jezioro

English sentence and Polish translation

We used to skate on the frozen lake. = Kiedyś jeździliśmy na łyżwach po zamarzniętym jeziorze.