Definition of hapax legomenon in English:

hapax legomenon

noun

  • A term of which only one instance of use is recorded.

    • ‘In philology a hapax legomenon is almost always a word and is a problem because a single usage doesn't generally give us enough information to figure out what it means.’
    • ‘Moreover, many of the new words will occur only once; these are the so-called hapax legomena.’
    • ‘Pope notes that Job has more hapax legomena (words which occur only once in the whole Bible) than any other Biblical book.’
    • ‘Just where did this hapax legomenon of a word come from?’
    • ‘Grattius' diction - which includes numerous technical terms and hapax legomena - and versification are Augustan, but he does not always express himself lucidly.’

Origin

Mid 17th century: Greek, a thing said once from hapax once and the passive participle of legein to say.

Pronunciation:

hapax legomenon

/ˌhapaks ləˈɡäməˌnän/