D defs.my
Entry 1 sense Webster, 1913

Incunabulum

· In·cu·nab·u·lum · IPA /ˌɪn.kjʊˈnæb.jʊ.ləm/
01 n. A work of art or of human industry, of an early epoch; especially, a book printed before a. d. 1500.
pl. Incunabula ((#))
  1. 1.
    A work of art or of human industry, of an early epoch; especially, a book printed before a. d. 1500.