- a lake
- an arm of the sea, esp. when narrow and nearly surrounded by land
Origin of lochMiddle English louch from Gaelic and OIr: for Indo-European base see lake
- A lake.
- An arm of the sea similar to a fjord.
Origin of lochMiddle English louch from Scottish Gaelic loch from Old Irish
From Scottish Gaelic loch.
- Alternative form of looch.