Definition: A kanna is a Swedish unit of volume, larger than a 'glas'. It's a traditional unit typically used for measuring liquids like milk or water.

History/origin: The kanna, like the glas, is deeply rooted in Swedish history and represents a customary method of measuring volume. Its definition would have been based on a standard container or vessel used in trade and households.

Current use: The kanna is rarely used in modern contexts due to the adoption of metric units. You might find it referenced in older cookbooks or historical documents related to Sweden.