To digest IRON (To have a stomach), like an ostrich

Meaning & Analysis

The proverb refers to the ancient and widespread, though incorrect, belief that ostriches have such powerful stomachs that they can consume and digest hard materials like iron.

Insights

Emotional and Mental Fortitude

It symbolizes an exceptional ability to endure and process extremely difficult, painful, or offensive situations. A person with an 'ostrich stomach' can 'swallow' harsh truths, insults, or hardships that others cannot.

Physical Resilience

The proverb can describe immense physical toughness or a robust constitution, suggesting a person who can withstand great physical challenges or consume things that would make others ill.

Uncommon Tolerance

It represents an unflinching capacity to face and accept disagreeable or dangerous circumstances without complaint or defeat. This implies a high threshold for tolerance and an unshakeable disposition.

Aggressive Courage

In a more aggressive context, it signifies voracious power or courage, as in being able to 'digest' an enemy's sword, turning a defensive quality into an offensive capability.

Mythological Natural History

The proverb is rooted in the scientifically inaccurate belief from classical and medieval bestiaries that ostriches could consume and digest iron. This folkloric image of the ostrich became a powerful symbol for enduring the unendurable, reflecting a pre-modern fascination with nature's supposed marvels.

Literary and Dramatic Use

In literature, particularly from the Elizabethan era as seen in Shakespeare and Jonson, the proverb is used to denote extreme fortitude or aggression. The threat 'I’ll make thee eat iron' weaponizes the metaphor, turning a symbol of resilience into one of violent subjugation.

Psychology of Resilience

Psychologically, the proverb speaks to the human admiration for resilience and 'hardiness'. It encapsulates the ideal of being able to process and overcome harsh realities, emotional blows, or insults that would defeat an ordinary person.

Endurance of Metaphor

While based on a falsehood, the proverb's metaphorical truth persists. It serves as a striking and memorable image for the concept of mental and emotional toughness, demonstrating how a powerful metaphor can outlive its literal, factual basis.

Rhetorical Devices

Simile

The proverb's central device is a direct comparison to an ostrich, using the animal's mythical ability to create a powerful and vivid image of resilience.

Hyperbole

The act of digesting iron is an extreme exaggeration that effectively emphasizes the extraordinary and almost supernatural level of toughness being described.

Symbolism

'Iron' serves as a potent symbol for the hardest, most unyielding, and painful of life's challenges, while the 'ostrich' symbolizes the power to overcome them.

resilienceendurancefortitudehyperbolefolkloretoughness
Analyzed with gemini-2.5-pro on August 3, 2025

Transcription

Quotations

The Estrich digesteth harde yron to preserue his healthe.

1578, LYLY, Euph. Anat. Wit, p. 260

Rusticks, who haue stomackes like Ostriges, that can digest hard iron.

1584, T. COGAN, Haven Health, 9, p. 33

Ile make thee eate yron like an Astridge, and swallow my sword like a great pinne.

1594, CON., York and Lan., s. G4

I could eate the very hilts for anger! —A signe of good digestion! you haue an ostrich stomach, cousin.

1616, JONSON, Ev. Man in Hum., III i 181

He must needs be hungry, that like th’ ostridge Can digest metal.

1629, D’AVENANT, Albovine, IV, p. 72

I’ll try his ostrich stomach [to see if it can digest my sword].

1638, T. RANDOLPH, Muses’ Look. Glass, III iii, p. 225

The common opinion of the Ostrich .. conceives that it digesteth Iron.

1646, T. BROWNE, Pseud. Epid., III xxii, II 267

To digest iron, viz. to be Eastridge like, to have a good appetite, or stomach.

1666, TOR., Prov. Phr., s.v. Ferro, p. 60

Shakespeare Citations

I’ll make thee eat iron like an ostridge . . . ere thou and I part.

2H6, IV.x

Original Scan

To digest IRON (To have a stomach), like an ostrich - a scanned entry from Tilley's 1950 Dictionary of Proverbs. To digest IRON (To have a stomach), like an ostrich - a scanned entry from Tilley's 1950 Dictionary of Proverbs. (continuation)
Scan courtesy of HathiTrust Digital Library.
Used under CC BY-NC 3.0.

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Last updated: January 27, 2026