Loch NessPronunciation: /nɛs/Definition of Loch Ness a deep lake in NW Scotland, in the Great Glen. Forming part of the Caledonian Canal, it is 38 km (24 miles) long, with a maximum depth of 230 m (755 ft). Loch Ness in other Oxford dictionaries Definition of Loch Ness in the US English dictionary
