Spanish vocabulary · Beginner

How to Say Ox in Spanish

Buey · noun · BWEH-ee

The Spanish word for ox is 'buey,' referring specifically to a castrated bull used for labor. This word has an interesting cultural legacy in Mexico, where the slang term 'güey' (derived from 'buey') became one of the most common informal words meaning 'dude' or 'buddy.' In its literal sense, 'buey' appears in agricultural and historical contexts.

Pronounced BWEH-ee as a single syllable diphthong. The 'ue' combination creates a 'weh' sound, and the final 'y' produces an 'ee' glide.

El buey arrastraba el arado por el campo.

The ox pulled the plow through the field.

Ox in Spanish: Quick Reference

Below are the most common Spanish words for ox, with pronunciation and regional usage notes.

SpanishEnglishPronunciationRegion / Register
bueyoxBWEH-eeDefault, widely understood
torooxbull (not castrated)
güeyoxMexican slang for buddy (derived)

How Native Speakers Use Buey

Real example sentences across three contexts you'll actually run into.

Historical context

Los bueyes fueron esenciales para la agricultura antes de la maquinaria.

Oxen were essential for agriculture before machinery.

Uses the plural 'bueyes' (irregular: buey → bueyes) in a historical farming context.

Idiom

Eso es como pedir peras al olmo — o ponerle un yugo a un buey muerto.

That's like asking the impossible — or putting a yoke on a dead ox.

Shows 'buey' in a figurative expression about futility.

At a ranch

En la finca todavía usan una yunta de bueyes para arar.

On the farm they still use a team of oxen to plow.

Introduces 'yunta de bueyes' (yoke/team of oxen) as a common collocation.

Avoid These Mistakes When Using Buey

Confusing 'buey' with 'toro'

Incorrect: Vimos un buey en la corrida.

Correct: Vimos un toro en la corrida.

A 'buey' is a castrated draft animal, while a 'toro' is an intact bull. Bullfights use 'toros,' never 'bueyes.'

Wrong plural form

Incorrect: Los bueys tiraban de la carreta.

Correct: Los bueyes tiraban de la carreta.

The plural of 'buey' is 'bueyes' (add -es), not 'bueys.' This is a regular rule for nouns ending in 'y' in Spanish.

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Common Questions About Ox in Spanish

Is 'güey' related to 'buey'?
The Mexican slang word 'güey' (also spelled 'wey') evolved directly from 'buey' (ox), originally used as an insult meaning 'slow and dumb like an ox,' but over time it transformed into a ubiquitous term of address meaning 'dude' or 'man' among friends in Mexico.
What's the difference between 'buey,' 'toro,' and 'vaca'?
These three words refer to different bovines: 'buey' is a castrated male used for work, 'toro' is an intact adult male bull, and 'vaca' is a female cow — all three are the same species but distinguished by sex and purpose.
How do I say 'oxen' (plural) in Spanish?
The plural of 'buey' is 'bueyes,' formed by adding '-es' to the singular, which follows the standard rule for Spanish nouns ending in a consonant or semi-consonant 'y.'