Definition of "bismarck"

(Canada, US) A dessert pastry:

1. (Manitoba) A doughnut filled with cream, often with chocolate icing.  examples

2. (Alberta, Saskatchewan, Northern US, Midwestern US) A jelly doughnut: a doughnut filled with jam and coated with sugar.  examples

3. (Midland US) A fried cruller, or a sort of pancake.  examples