Definition of muesli
: a breakfast cereal of Swiss origin consisting of rolled oats, nuts, and fruit
Origin of muesli
German dialect (Swiss) Müsli, diminutive of German Mus soft food, mush, from Old High German muos; akin to Old English mōs food and probably to Old English mete food — more at meat
First Known Use: 1939
Seen and Heard
What made you want to look up muesli? Please tell us where you read or heard it (including the quote, if possible).