Definition of incunabulum in English:

incunabulum

Pronunciation /ˌinkyəˈnabyələm/ /ˌɪnkjəˈnæbjələm/

nounincunabula

  • An early printed book, especially one printed before 1501.

Origin

Early 19th century from Latin incunabula (neuter plural) ‘swaddling clothes, cradle’, from in- ‘into’ + cunae ‘cradle’.