Real Dictionary

pretzel
countable noun: A pretzel is a small, crisp, shiny biscuit, which has salt on the outside. Pretzels are usually shaped like knots or sticks.

pretzel in American English
a usually hard, brittle biscuit made from a slender roll of dough heavily sprinkled with salt and typically baked in the form of a loose knot or as a stick
noun: a crisp, dry biscuit, usually in the form of a knot or stick, salted on the outside

pretzel in British English
noun: a brittle savoury biscuit, in the form of a knot or stick, glazed and salted on the outside, eaten esp in Germany and the US