noun
incunable; incunabulum
Rare technical term for a book printed in Europe before 1501, during the infancy of printing. The more common loanword インキュナブラ is usually preferred.
See also: インキュナブラ
図書館の貴重書庫に揺籃期本が数点保管されている。
Several incunabula are kept in the library's rare book room.
この展示会では、15世紀の揺籃期本を実際に手に取って見ることができる。
At this exhibition, you can actually hold and examine 15th-century incunabula.
The common loanword for 'incunable', used in most contexts. 揺籃期本 is a rare native Japanese equivalent.
Compound of 揺籃 (cradle), 期 (period), and 本 (book), calqued from the Latin 'incunabula' (swaddling clothes, cradle).