Meaning

1 senses
  1. (figuratively)An exceptionally strong and resilient digestive system capable of consuming almost almost any type of food or drink without becoming ill or experiencing indigestion.

Origin

First use appears c. 1844. See cite below.

First use appears c. 1844. See cite below.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: cast-iron stomachs

See also

neighbours in the dictionary
cast-iron stomach — meaning, examples, forms, synonyms | Krumeto