Definition of seidel in US English:

seidel

noun

dated
  • 1A beer mug or glass.

    beaker, cup
    View synonyms
    1. 1.1 The contents of a seidel.
      ‘I drank a seidel of beer’

Origin

Early 20th century: from German Seidel, originally denoting a measure between a third and a half of a liter.

Pronunciation

seidel

/ˈzīdl/