IPA: //ˈsaɪdəl//
KK: /ˈsaɪdəl/
A large glass or mug used for drinking beer, often with a handle.
He raised his seidel to toast with his friends at the beer garden.
The word 'seidel' originates from German, specifically from 'Seidel', meaning a large mug or tankard, often used for beer. It refers to a type of drinking vessel.
Think of a large mug used for beer in Germany — that's what a 'seidel' is, a special tankard for enjoying drinks.