onager

/ˈɒnəd͡ʒə/

//ˈɒnəd͡ʒə// noun

"onager" is a 6-letter English headword indexed on PlainSpell.

The verdict

“onager” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The Asiatic wild ass or hemione (Equus hemionus), an animal of the horse family native to Asia; specifically, the Persian onager, Persian wild ass, or Persian zebra (Equus hemionus onager).

Corpus desk

Index EN-onager · onager · English

onager · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for onager
PropertyValue
Headwordonager
LanguageEnglish
Part of speechNoun
IPA/ˈɒnəd͡ʒə/
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “onager” in English

onagerfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

onager is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈɒnəd͡ʒə/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for onager, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From Middle English onager, onagir (“wild ass; military catapult”), from Anglo-Norman onager, Middle French onager, onagre, Old French onager, onagre (“wild ass; military catapult”) (modern French onagre), from Late Latin onager (“large siege engine”), Lati… The correct English form is onager, spelled O-N-A-G-E-R.

Definition

  1. 1
    The Asiatic wild ass or hemione (Equus hemionus), an animal of the horse family native to Asia; specifically, the Persian onager, Persian wild ass, or Persian zebra (Equus hemionus onager).
  2. 2
    A military engine acting like a sling which threw stones from a bag or wooden bucket powered by the torsion from a bundle of ropes or sinews operated by machinery; a torsion catapult.

Recorded use

Wiktionary examples

These source excerpts show how onager appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. [I]f the czigithai is not the ſame with the zebra, it may be the Aſiatic animal called onager or wild aſs. The onager ſhould not be confounded with the zebra; but I am uncertain whether the ſame remark is applicable to the onager and czigithai; for, from comparing the relations of travellers, it appears, that there are different kinds of wild aſſes, of wh…
  2. The onager, or wild aſs, is ſeen in ſtill greater abundance than the wild horſe; and the peculiarities of its kind are more diſtinctly marked than in thoſe of the tame one.

Etymology

From Middle English onager, onagir (“wild ass; military catapult”), from Anglo-Norman onager, Middle French onager, onagre, Old French onager, onagre (“wild ass; military catapult”) (modern French onagre), from Late Latin onager (“large siege engine”), Latin onager (“wild ass”), from Hellenistic Ancient Greek ὄναγρος (ónagros, “wild ass”), Byzantine Ancient Greek ὄναγρος (ónagros, “large siege engine”), from ὄνος (ónos, “ass”) + ἄγριος (ágrios, “wild”) (from ᾰ̓γρός (ăgrós, “countryside; field”) (possibly ultimately from Proto-Indo-European *h₂eǵ- (“to drive”)) + -ῐος (-ĭos, suffix forming adjectives)). The “military engine” sense alludes to the strong recoil of the engine, likened to an onager’s kick; see the 2007 quotation.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "onager"?
"onager" is spelled O-N-A-G-E-R. The IPA pronunciation is /ˈɒnəd͡ʒə/.
What does "onager" mean?
As a noun, "onager" means: The Asiatic wild ass or hemione (Equus hemionus), an animal of the horse family native to Asia; specifically, the Persian onager, Persian wild ass, or Persian zebra (Equus hemionus onager).
How do you pronounce "onager"?
The IPA (International Phonetic Alphabet) transcription for "onager" is /ˈɒnəd͡ʒə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "onager"?
From Middle English onager, onagir (“wild ass; military catapult”), from Anglo-Norman onager, Middle French onager, onagre, Old French onager, onagre (“wild ass; military catapult”) (modern French onagre), from Late Latin onager (“large siege engi... See the full etymology section above for more details.
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list